775031134131 has 12 divisors (see below), whose sum is σ = 1127660873352. Its totient is φ = 512915980896.

The previous prime is 775031134091. The next prime is 775031134177. The reversal of 775031134131 is 131431130577.

775031134131 is a `hidden beast` number, since 7 + 7 + 503 + 1 + 13 + 4 + 131 = 666.

It is not a de Polignac number, because 775031134131 - 2⁹ = 775031133619 is a prime.

It is a super-2 number, since 2×775031134131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (775031134181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314285521 + ... + 314287986.

It is an arithmetic number, because the mean of its divisors is an integer number (93971739446).

Almost surely, 2^775031134131 is an apocalyptic number.

775031134131 is a deficient number, since it is larger than the sum of its proper divisors (352629739221).

775031134131 is a wasteful number, since it uses less digits than its factorization.

775031134131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628573650 (or 628573647 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The spelling of 775031134131 in words is "seven hundred seventy-five billion, thirty-one million, one hundred thirty-four thousand, one hundred thirty-one".