31296423 has 16 divisors (see below), whose sum is σ = 43315200. Its totient is φ = 20076000.

The previous prime is 31296383. The next prime is 31296427. The reversal of 31296423 is 32469213.

It is not a de Polignac number, because 31296423 - 2⁶ = 31296359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31296427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41298 + ... + 42048.

It is an arithmetic number, because the mean of its divisors is an integer number (2707200).

Almost surely, 2^31296423 is an apocalyptic number.

31296423 is a deficient number, since it is larger than the sum of its proper divisors (12018777).

31296423 is a wasteful number, since it uses less digits than its factorization.

31296423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its digits is 7776, while the sum is 30.

The square root of 31296423 is about 5594.3206021822. The cubic root of 31296423 is about 315.1361568100.

The spelling of 31296423 in words is "thirty-one million, two hundred ninety-six thousand, four hundred twenty-three".