31423702 has 8 divisors (see below), whose sum is σ = 47382912. Its totient is φ = 15629400.

The previous prime is 31423697. The next prime is 31423703. The reversal of 31423702 is 20732413.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40749 + ... + 41512.

It is an arithmetic number, because the mean of its divisors is an integer number (5922864).

Almost surely, 2^31423702 is an apocalyptic number.

31423702 is a deficient number, since it is larger than the sum of its proper divisors (15959210).

31423702 is a wasteful number, since it uses less digits than its factorization.

31423702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82454.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 31423702 is about 5605.6847931363. The cubic root of 31423702 is about 315.5627866399.

The spelling of 31423702 in words is "thirty-one million, four hundred twenty-three thousand, seven hundred two".