313213001031 has 24 divisors (see below), whose sum is σ = 519269156640. Its totient is φ = 178210699776.

The previous prime is 313213001011. The next prime is 313213001053. The reversal of 313213001031 is 130100312313.

It is a happy number.

313213001031 is a `hidden beast` number, since 3 + 1 + 321 + 300 + 10 + 31 = 666.

It is not a de Polignac number, because 313213001031 - 2⁵ = 313213000999 is a prime.

It is a super-2 number, since 2×313213001031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313213000995 and 313213001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313213001011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10654066 + ... + 10683423.

It is an arithmetic number, because the mean of its divisors is an integer number (21636214860).

Almost surely, 2^313213001031 is an apocalyptic number.

313213001031 is a deficient number, since it is larger than the sum of its proper divisors (206056155609).

313213001031 is a wasteful number, since it uses less digits than its factorization.

313213001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21337735 (or 21337732 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 313213001031 its reverse (130100312313), we get a palindrome (443313313344).

The spelling of 313213001031 in words is "three hundred thirteen billion, two hundred thirteen million, one thousand, thirty-one".