31426324 has 12 divisors (see below), whose sum is σ = 55087648. Its totient is φ = 15687000.

The previous prime is 31426313. The next prime is 31426331. The reversal of 31426324 is 42362413.

It is a super-2 number, since 2×31426324² = 1975227680305952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 8749.

Almost surely, 2^31426324 is an apocalyptic number.

It is an amenable number.

31426324 is a deficient number, since it is larger than the sum of its proper divisors (23661324).

31426324 is a wasteful number, since it uses less digits than its factorization.

31426324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13086 (or 13084 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 31426324 is about 5605.9186579900. The cubic root of 31426324 is about 315.5715632699.

Adding to 31426324 its reverse (42362413), we get a palindrome (73788737).

The spelling of 31426324 in words is "thirty-one million, four hundred twenty-six thousand, three hundred twenty-four".