312035551131 has 4 divisors (see below), whose sum is σ = 416047401512. Its totient is φ = 208023700752.

The previous prime is 312035551127. The next prime is 312035551187. The reversal of 312035551131 is 131155530213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312035551131 - 2² = 312035551127 is a prime.

It is a super-2 number, since 2×312035551131² (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 (312035551631) 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, 52005925186 + ... + 52005925191.

It is an arithmetic number, because the mean of its divisors is an integer number (104011850378).

Almost surely, 2^312035551131 is an apocalyptic number.

312035551131 is a deficient number, since it is larger than the sum of its proper divisors (104011850381).

312035551131 is a wasteful number, since it uses less digits than its factorization.

312035551131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104011850380.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 312035551131 in words is "three hundred twelve billion, thirty-five million, five hundred fifty-one thousand, one hundred thirty-one".