312303400131 has 32 divisors (see below), whose sum is σ = 448607198016. Its totient is φ = 192536064000.

The previous prime is 312303400103. The next prime is 312303400147. The reversal of 312303400131 is 131004303213.

It is a de Polignac number, because none of the positive numbers 2^k-312303400131 is a prime.

It is a super-3 number, since 3×312303400131³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 312303400098 and 312303400107.

It is not an unprimeable number, because it can be changed into a prime (312303400531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2874111 + ... + 2980791.

It is an arithmetic number, because the mean of its divisors is an integer number (14018974938).

Almost surely, 2^312303400131 is an apocalyptic number.

312303400131 is a deficient number, since it is larger than the sum of its proper divisors (136303797885).

312303400131 is a wasteful number, since it uses less digits than its factorization.

312303400131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107703.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312303400131 its reverse (131004303213), we get a palindrome (443307703344).

The spelling of 312303400131 in words is "three hundred twelve billion, three hundred three million, four hundred thousand, one hundred thirty-one".