313123004402 has 16 divisors (see below), whose sum is σ = 509675265792. Its totient is φ = 143415114960.

The previous prime is 313123004377. The next prime is 313123004429. The reversal of 313123004402 is 204400321313.

It is a super-2 number, since 2×313123004402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45962978 + ... + 45969789.

It is an arithmetic number, because the mean of its divisors is an integer number (31854704112).

Almost surely, 2^313123004402 is an apocalyptic number.

313123004402 is a deficient number, since it is larger than the sum of its proper divisors (196552261390).

313123004402 is a wasteful number, since it uses less digits than its factorization.

313123004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91932913.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 313123004402 its reverse (204400321313), we get a palindrome (517523325715).

The spelling of 313123004402 in words is "three hundred thirteen billion, one hundred twenty-three million, four thousand, four hundred two".