57147917131 has 2 divisors, whose sum is σ = 57147917132. Its totient is φ = 57147917130.

The previous prime is 57147917089. The next prime is 57147917171. The reversal of 57147917131 is 13171974175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57147917131 - 2²¹ = 57145819979 is a prime.

It is a super-2 number, since 2×57147917131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57147917171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28573958565 + 28573958566.

It is an arithmetic number, because the mean of its divisors is an integer number (28573958566).

Almost surely, 2^57147917131 is an apocalyptic number.

57147917131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57147917131 is an equidigital number, since it uses as much as digits as its factorization.

57147917131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 185220, while the sum is 46.

The spelling of 57147917131 in words is "fifty-seven billion, one hundred forty-seven million, nine hundred seventeen thousand, one hundred thirty-one".