312231131303 has 48 divisors (see below), whose sum is σ = 407054073600. Its totient is φ = 233852935680.

The previous prime is 312231131281. The next prime is 312231131309. The reversal of 312231131303 is 303131132213.

It is not a de Polignac number, because 312231131303 - 2³² = 307936164007 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 (312231131309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32789183 + ... + 32798703.

It is an arithmetic number, because the mean of its divisors is an integer number (8480293200).

Almost surely, 2^312231131303 is an apocalyptic number.

312231131303 is a deficient number, since it is larger than the sum of its proper divisors (94822942297).

312231131303 is a wasteful number, since it uses less digits than its factorization.

312231131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11032 (or 11019 counting only the distinct ones).

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

Adding to 312231131303 its reverse (303131132213), we get a palindrome (615362263516).

The spelling of 312231131303 in words is "three hundred twelve billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred three".