312131150636 has 12 divisors (see below), whose sum is σ = 551063403912. Its totient is φ = 154684463808.

The previous prime is 312131150633. The next prime is 312131150641. The reversal of 312131150636 is 636051131213.

It is a super-3 number, since 3×312131150636³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (312131150633) 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, 345277370 + ... + 345278273.

It is an arithmetic number, because the mean of its divisors is an integer number (45921950326).

Almost surely, 2^312131150636 is an apocalyptic number.

It is an amenable number.

312131150636 is a deficient number, since it is larger than the sum of its proper divisors (238932253276).

312131150636 is a wasteful number, since it uses less digits than its factorization.

312131150636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690555760 (or 690555758 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 312131150636 its reverse (636051131213), we get a palindrome (948182281849).

The spelling of 312131150636 in words is "three hundred twelve billion, one hundred thirty-one million, one hundred fifty thousand, six hundred thirty-six".