313212132031 has 4 divisors (see below), whose sum is σ = 313213563064. Its totient is φ = 313210701000.

The previous prime is 313212132017. The next prime is 313212132061. The reversal of 313212132031 is 130231212313.

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

It is a cyclic number.

It is not a de Polignac number, because 313212132031 - 2²⁵ = 313178577599 is a prime.

It is a super-2 number, since 2×313212132031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313212131993 and 313212132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212132061) 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, 310965 + ... + 850366.

It is an arithmetic number, because the mean of its divisors is an integer number (78303390766).

Almost surely, 2^313212132031 is an apocalyptic number.

313212132031 is a deficient number, since it is larger than the sum of its proper divisors (1431033).

313212132031 is a wasteful number, since it uses less digits than its factorization.

313212132031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431032.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 313212132031 its reverse (130231212313), we get a palindrome (443443344344).

The spelling of 313212132031 in words is "three hundred thirteen billion, two hundred twelve million, one hundred thirty-two thousand, thirty-one".