31534923 has 8 divisors (see below), whose sum is σ = 48053248. Its totient is φ = 18019944.

The previous prime is 31534913. The next prime is 31534961. The reversal of 31534923 is 32943513.

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

It is not a de Polignac number, because 31534923 - 2⁹ = 31534411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31534913) 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, 750811 + ... + 750852.

It is an arithmetic number, because the mean of its divisors is an integer number (6006656).

Almost surely, 2^31534923 is an apocalyptic number.

31534923 is a deficient number, since it is larger than the sum of its proper divisors (16518325).

31534923 is a wasteful number, since it uses less digits than its factorization.

31534923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501673.

The product of its digits is 9720, while the sum is 30.

The square root of 31534923 is about 5615.5964064381. The cubic root of 31534923 is about 315.9346490667.

The spelling of 31534923 in words is "thirty-one million, five hundred thirty-four thousand, nine hundred twenty-three".