1312110402 has 32 divisors (see below), whose sum is σ = 2711892480. Its totient is φ = 422789760.

The previous prime is 1312110389. The next prime is 1312110403. The reversal of 1312110402 is 2040112131.

It is not an unprimeable number, because it can be changed into a prime (1312110403) 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, 188724 + ... + 195552.

It is an arithmetic number, because the mean of its divisors is an integer number (84746640).

Almost surely, 2^1312110402 is an apocalyptic number.

1312110402 is an abundant number, since it is smaller than the sum of its proper divisors (1399782078).

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

1312110402 is a wasteful number, since it uses less digits than its factorization.

1312110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1312110402 is about 36223.0645031588. The cubic root of 1312110402 is about 1094.7714407973.

Adding to 1312110402 its reverse (2040112131), we get a palindrome (3352222533).

The spelling of 1312110402 in words is "one billion, three hundred twelve million, one hundred ten thousand, four hundred two".