31480694 has 16 divisors (see below), whose sum is σ = 55116288. Its totient is φ = 13204392.

The previous prime is 31480693. The next prime is 31480733. The reversal of 31480694 is 49608413.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31480693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23264 + ... + 24579.

It is an arithmetic number, because the mean of its divisors is an integer number (3444768).

Almost surely, 2^31480694 is an apocalyptic number.

31480694 is a deficient number, since it is larger than the sum of its proper divisors (23635594).

31480694 is a wasteful number, since it uses less digits than its factorization.

31480694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47899.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 31480694 is about 5610.7659013721. The cubic root of 31480694 is about 315.7534462534.

The spelling of 31480694 in words is "thirty-one million, four hundred eighty thousand, six hundred ninety-four".