31457458730 has 8 divisors (see below), whose sum is σ = 56623425732. Its totient is φ = 12582983488.

The previous prime is 31457458727. The next prime is 31457458759. The reversal of 31457458730 is 3785475413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25414417561 + 6043041169 = 159419^2 + 77737^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572872927 + ... + 1572872946.

Almost surely, 2^31457458730 is an apocalyptic number.

31457458730 is a deficient number, since it is larger than the sum of its proper divisors (25165967002).

31457458730 is a wasteful number, since it uses less digits than its factorization.

31457458730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145745880.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 31457458730 in words is "thirty-one billion, four hundred fifty-seven million, four hundred fifty-eight thousand, seven hundred thirty".