31492342 has 32 divisors (see below), whose sum is σ = 56217600. Its totient is φ = 12947040.

The previous prime is 31492337. The next prime is 31492369. The reversal of 31492342 is 24329413.

It is a self number, because there is not a number n which added to its sum of digits gives 31492342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64423 + ... + 64909.

It is an arithmetic number, because the mean of its divisors is an integer number (1756800).

Almost surely, 2^31492342 is an apocalyptic number.

31492342 is a deficient number, since it is larger than the sum of its proper divisors (24725258).

31492342 is a wasteful number, since it uses less digits than its factorization.

31492342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its digits is 5184, while the sum is 28.

The square root of 31492342 is about 5611.8038098280. The cubic root of 31492342 is about 315.7923848552.

The spelling of 31492342 in words is "thirty-one million, four hundred ninety-two thousand, three hundred forty-two".