71631585831883 has 48 divisors (see below), whose sum is σ = 91330091838720. Its totient is φ = 54985392221760.

The previous prime is 71631585831863. The next prime is 71631585831961. The reversal of 71631585831883 is 38813858513617.

It is not a de Polignac number, because 71631585831883 - 2¹³ = 71631585823691 is a prime.

It is a super-2 number, since 2×71631585831883² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71631585831823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22926253 + ... + 25862641.

It is an arithmetic number, because the mean of its divisors is an integer number (1902710246640).

Almost surely, 2^{71631585831883} is an apocalyptic number.

71631585831883 is a deficient number, since it is larger than the sum of its proper divisors (19698506006837).

71631585831883 is a wasteful number, since it uses less digits than its factorization.

71631585831883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936848 (or 2936837 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 67.

The spelling of 71631585831883 in words is "seventy-one trillion, six hundred thirty-one billion, five hundred eighty-five million, eight hundred thirty-one thousand, eight hundred eighty-three".