31459490358 has 16 divisors (see below), whose sum is σ = 62921880000. Its totient is φ = 10486013576.

The previous prime is 31459490341. The next prime is 31459490399. The reversal of 31459490358 is 85309495413.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 31459490358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35893 + ... + 253391.

It is an arithmetic number, because the mean of its divisors is an integer number (3932617500).

Almost surely, 2^31459490358 is an apocalyptic number.

31459490358 is an abundant number, since it is smaller than the sum of its proper divisors (31462389642).

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

31459490358 is a wasteful number, since it uses less digits than its factorization.

31459490358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241611.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 31459490358 in words is "thirty-one billion, four hundred fifty-nine million, four hundred ninety thousand, three hundred fifty-eight".