315116610231402 has 128 divisors (see below), whose sum is σ = 835230105907200. Its totient is φ = 86104545645888.

The previous prime is 315116610231389. The next prime is 315116610231427. The reversal of 315116610231402 is 204132016611513.

315116610231402 is a `hidden beast` number, since 3 + 1 + 5 + 1 + 1 + 6 + 6 + 10 + 231 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49483749 + ... + 55487607.

It is an arithmetic number, because the mean of its divisors is an integer number (6525235202400).

Almost surely, 2^{315116610231402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315116610231402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417615052953600).

315116610231402 is an abundant number, since it is smaller than the sum of its proper divisors (520113495675798).

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

315116610231402 is a wasteful number, since it uses less digits than its factorization.

315116610231402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009937 (or 6009931 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 315116610231402 its reverse (204132016611513), we get a palindrome (519248626842915).

The spelling of 315116610231402 in words is "three hundred fifteen trillion, one hundred sixteen billion, six hundred ten million, two hundred thirty-one thousand, four hundred two".