313132023131 has 4 divisors (see below), whose sum is σ = 314442199200. Its totient is φ = 311821847064.

The previous prime is 313132023121. The next prime is 313132023151. The reversal of 313132023131 is 131320231313.

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-313132023131 is a prime.

It is a super-2 number, since 2×313132023131² (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 = 313132023097 and 313132023106.

It is not an unprimeable number, because it can be changed into a prime (313132023121) 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, 655087676 + ... + 655088153.

It is an arithmetic number, because the mean of its divisors is an integer number (78610549800).

Almost surely, 2^313132023131 is an apocalyptic number.

313132023131 is a deficient number, since it is larger than the sum of its proper divisors (1310176069).

313132023131 is a wasteful number, since it uses less digits than its factorization.

313132023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310176068.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313132023131 its reverse (131320231313), we get a palindrome (444452254444).

It can be divided in two parts, 3 and 13132023131, that multiplied together give a palindrome (39396069393).

The spelling of 313132023131 in words is "three hundred thirteen billion, one hundred thirty-two million, twenty-three thousand, one hundred thirty-one".