313130021131 has 8 divisors (see below), whose sum is σ = 316913146704. Its totient is φ = 309347145120.

The previous prime is 313130021111. The next prime is 313130021137. The reversal of 313130021131 is 131120031313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313130021131 - 2⁷ = 313130021003 is a prime.

It is a super-2 number, since 2×313130021131² (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 = 313130021099 and 313130021108.

It is not an unprimeable number, because it can be changed into a prime (313130021137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4249341 + ... + 4322401.

It is an arithmetic number, because the mean of its divisors is an integer number (39614143338).

Almost surely, 2^313130021131 is an apocalyptic number.

313130021131 is a deficient number, since it is larger than the sum of its proper divisors (3783125573).

313130021131 is an equidigital number, since it uses as much as digits as its factorization.

313130021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124781.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313130021131 its reverse (131120031313), we get a palindrome (444250052444).

The spelling of 313130021131 in words is "three hundred thirteen billion, one hundred thirty million, twenty-one thousand, one hundred thirty-one".