313020042131 has 4 divisors (see below), whose sum is σ = 313021174632. Its totient is φ = 313018909632.

The previous prime is 313020042119. The next prime is 313020042133. The reversal of 313020042131 is 131240020313.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 313020042131 - 2¹⁸ = 313019779987 is a prime.

It is a super-2 number, since 2×313020042131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313020042133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152195 + ... + 805731.

It is an arithmetic number, because the mean of its divisors is an integer number (78255293658).

Almost surely, 2^313020042131 is an apocalyptic number.

313020042131 is a deficient number, since it is larger than the sum of its proper divisors (1132501).

313020042131 is an equidigital number, since it uses as much as digits as its factorization.

313020042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132500.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313020042131 its reverse (131240020313), we get a palindrome (444260062444).

The spelling of 313020042131 in words is "three hundred thirteen billion, twenty million, forty-two thousand, one hundred thirty-one".