57143611231 has 8 divisors (see below), whose sum is σ = 65308470944. Its totient is φ = 48979123200.

The previous prime is 57143611219. The next prime is 57143611241. The reversal of 57143611231 is 13211634175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57143611231 - 2¹⁷ = 57143480159 is a prime.

It is a super-2 number, since 2×57143611231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143611201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441331 + ... + 555931.

It is an arithmetic number, because the mean of its divisors is an integer number (8163558868).

Almost surely, 2^57143611231 is an apocalyptic number.

57143611231 is a deficient number, since it is larger than the sum of its proper divisors (8164859713).

57143611231 is a wasteful number, since it uses less digits than its factorization.

57143611231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185841.

The product of its digits is 15120, while the sum is 34.

The spelling of 57143611231 in words is "fifty-seven billion, one hundred forty-three million, six hundred eleven thousand, two hundred thirty-one".