31013234 has 16 divisors (see below), whose sum is σ = 54403008. Its totient is φ = 12982032.

The previous prime is 31013233. The next prime is 31013239. The reversal of 31013234 is 43231013.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31013233) 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, 25157 + ... + 26360.

It is an arithmetic number, because the mean of its divisors is an integer number (3400188).

Almost surely, 2^31013234 is an apocalyptic number.

31013234 is a deficient number, since it is larger than the sum of its proper divisors (23389774).

31013234 is a wasteful number, since it uses less digits than its factorization.

31013234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51569.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 31013234 is about 5568.9526843025. The cubic root of 31013234 is about 314.1827610639.

Adding to 31013234 its reverse (43231013), we get a palindrome (74244247).

The spelling of 31013234 in words is "thirty-one million, thirteen thousand, two hundred thirty-four".