3141731857 has 4 divisors (see below), whose sum is σ = 3427343856. Its totient is φ = 2856119860.

The previous prime is 3141731843. The next prime is 3141731891. The reversal of 3141731857 is 7581371413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3141731857 - 2¹⁵ = 3141699089 is a prime.

It is a super-2 number, since 2×3141731857² = 19740958122577336898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3141731057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142805983 + ... + 142806004.

It is an arithmetic number, because the mean of its divisors is an integer number (856835964).

Almost surely, 2^3141731857 is an apocalyptic number.

It is an amenable number.

3141731857 is a deficient number, since it is larger than the sum of its proper divisors (285611999).

3141731857 is a wasteful number, since it uses less digits than its factorization.

3141731857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285611998.

The product of its digits is 70560, while the sum is 40.

The square root of 3141731857 is about 56051.1539310298. The cubic root of 3141731857 is about 1464.6135191771.

The spelling of 3141731857 in words is "three billion, one hundred forty-one million, seven hundred thirty-one thousand, eight hundred fifty-seven".