31432494 has 16 divisors (see below), whose sum is σ = 62935632. Its totient is φ = 10465728.

The previous prime is 31432493. The next prime is 31432501. The reversal of 31432494 is 49423413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432493) 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, 4162 + ... + 8954.

It is an arithmetic number, because the mean of its divisors is an integer number (3933477).

Almost surely, 2^31432494 is an apocalyptic number.

31432494 is an abundant number, since it is smaller than the sum of its proper divisors (31503138).

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

31432494 is a wasteful number, since it uses less digits than its factorization.

31432494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its digits is 10368, while the sum is 30.

The square root of 31432494 is about 5606.4689422131. The cubic root of 31432494 is about 315.5922142071.

The spelling of 31432494 in words is "thirty-one million, four hundred thirty-two thousand, four hundred ninety-four".