1242313110 has 96 divisors (see below), whose sum is σ = 3380382720. Its totient is φ = 316203264.

The previous prime is 1242313103. The next prime is 1242313133. The reversal of 1242313110 is 113132421.

1242313110 is a `hidden beast` number, since 1 + 242 + 313 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172971 + ... + 180009.

It is an arithmetic number, because the mean of its divisors is an integer number (35212320).

Almost surely, 2^1242313110 is an apocalyptic number.

1242313110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242313110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690191360).

1242313110 is an abundant number, since it is smaller than the sum of its proper divisors (2138069610).

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

1242313110 is a wasteful number, since it uses less digits than its factorization.

1242313110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1242313110 is about 35246.4623756768. The cubic root of 1242313110 is about 1075.0046828713.

Adding to 1242313110 its reverse (113132421), we get a palindrome (1355445531).

The spelling of 1242313110 in words is "one billion, two hundred forty-two million, three hundred thirteen thousand, one hundred ten".