31449474634 has 8 divisors (see below), whose sum is σ = 47235559140. Its totient is φ = 15704288256.

The previous prime is 31449474613. The next prime is 31449474643. The reversal of 31449474634 is 43647494413.

It can be written as a sum of positive squares in 2 ways, for example, as 29703488409 + 1745986225 = 172347^2 + 41785^2 .

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, 10222609 + ... + 10225684.

Almost surely, 2^31449474634 is an apocalyptic number.

31449474634 is a deficient number, since it is larger than the sum of its proper divisors (15786084506).

31449474634 is a wasteful number, since it uses less digits than its factorization.

31449474634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20449064.

The product of its digits is 3483648, while the sum is 49.

The spelling of 31449474634 in words is "thirty-one billion, four hundred forty-nine million, four hundred seventy-four thousand, six hundred thirty-four".