313132430311 has 4 divisors (see below), whose sum is σ = 313513834824. Its totient is φ = 312751025800.

The previous prime is 313132430297. The next prime is 313132430323. The reversal of 313132430311 is 113034231313.

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-313132430311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313132430381) 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, 190701025 + ... + 190702666.

It is an arithmetic number, because the mean of its divisors is an integer number (78378458706).

Almost surely, 2^313132430311 is an apocalyptic number.

313132430311 is a deficient number, since it is larger than the sum of its proper divisors (381404513).

313132430311 is an equidigital number, since it uses as much as digits as its factorization.

313132430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381404512.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 313132430311 its reverse (113034231313), we get a palindrome (426166661624).

The spelling of 313132430311 in words is "three hundred thirteen billion, one hundred thirty-two million, four hundred thirty thousand, three hundred eleven".