313121401140402 has 16 divisors (see below), whose sum is σ = 695825335867680. Its totient is φ = 104373800380116.

The previous prime is 313121401140281. The next prime is 313121401140403. The reversal of 313121401140402 is 204041104121313.

It is a happy number.

313121401140402 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 2 + 140 + 114 + 0 + 402 = 666.

It is a super-2 number, since 2×313121401140402² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (313121401140403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2899272232728 + ... + 2899272232835.

It is an arithmetic number, because the mean of its divisors is an integer number (43489083491730).

Almost surely, 2^{313121401140402} is an apocalyptic number.

313121401140402 is an abundant number, since it is smaller than the sum of its proper divisors (382703934727278).

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

313121401140402 is a wasteful number, since it uses less digits than its factorization.

313121401140402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798544465574 (or 5798544465568 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 313121401140402 its reverse (204041104121313), we get a palindrome (517162505261715).

The spelling of 313121401140402 in words is "three hundred thirteen trillion, one hundred twenty-one billion, four hundred one million, one hundred forty thousand, four hundred two".