313210012031 has 4 divisors (see below), whose sum is σ = 357954299472. Its totient is φ = 268465724592.

The previous prime is 313210011977. The next prime is 313210012039. The reversal of 313210012031 is 130210012313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313210012031 is a prime.

It is a super-2 number, since 2×313210012031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313210012039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22372143710 + ... + 22372143723.

It is an arithmetic number, because the mean of its divisors is an integer number (89488574868).

Almost surely, 2^313210012031 is an apocalyptic number.

313210012031 is a deficient number, since it is larger than the sum of its proper divisors (44744287441).

313210012031 is an equidigital number, since it uses as much as digits as its factorization.

313210012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44744287440.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313210012031 its reverse (130210012313), we get a palindrome (443420024344).

The spelling of 313210012031 in words is "three hundred thirteen billion, two hundred ten million, twelve thousand, thirty-one".