3100020000 has 720 divisors, whose sum is σ = 12983294016. Its totient is φ = 633600000.

The previous prime is 3100019987. The next prime is 3100020013. The reversal of 3100020000 is 200013.

It is an interprime number because it is at equal distance from previous prime (3100019987) and next prime (3100020013).

It is a super-2 number, since 2×3100020000² = 19220248000800000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 50819970 + ... + 50820030.

Almost surely, 2^3100020000 is an apocalyptic number.

3100020000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6491647008).

3100020000 is an abundant number, since it is smaller than the sum of its proper divisors (9883274016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3100020000 is a wasteful number, since it uses less digits than its factorization.

3100020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 3100020000 is about 55677.8232333126. The cubic root of 3100020000 is about 1458.1028715183.

Adding to 3100020000 its reverse (200013), we get a palindrome (3100220013).

The spelling of 3100020000 in words is "three billion, one hundred million, twenty thousand".