31578452058 has 32 divisors (see below), whose sum is σ = 64805875200. Its totient is φ = 10252687536.

The previous prime is 31578452047. The next prime is 31578452093. The reversal of 31578452058 is 85025487513.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31578451998 and 31578452016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77848 + ... + 263091.

It is an arithmetic number, because the mean of its divisors is an integer number (2025183600).

Almost surely, 2^31578452058 is an apocalyptic number.

31578452058 is an abundant number, since it is smaller than the sum of its proper divisors (33227423142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31578452058 is a wasteful number, since it uses less digits than its factorization.

31578452058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341346.

The product of its (nonzero) digits is 1344000, while the sum is 48.

It can be divided in two parts, 31578 and 452058, that added together give a triangular number (483636 = T₉₈₃).

The spelling of 31578452058 in words is "thirty-one billion, five hundred seventy-eight million, four hundred fifty-two thousand, fifty-eight".