1301331000 has 64 divisors (see below), whose sum is σ = 4060162080. Its totient is φ = 347020800.

The previous prime is 1301330969. The next prime is 1301331001. The reversal of 1301331000 is 1331031.

It is a super-2 number, since 2×1301331000² = 3386924743122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301331001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213889 + ... + 219888.

Almost surely, 2^1301331000 is an apocalyptic number.

1301331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301331000 is an abundant number, since it is smaller than the sum of its proper divisors (2758831080).

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

1301331000 is a wasteful number, since it uses less digits than its factorization.

1301331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433801 (or 433787 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1301331000 is about 36073.9656816381. The cubic root of 1301331000 is about 1091.7652288170.

Adding to 1301331000 its reverse (1331031), we get a palindrome (1302662031).

The spelling of 1301331000 in words is "one billion, three hundred one million, three hundred thirty-one thousand".