31234234394 has 16 divisors (see below), whose sum is σ = 51199166016. Its totient is φ = 14172768000.

The previous prime is 31234234337. The next prime is 31234234397. The reversal of 31234234394 is 49343243213.

It is not an unprimeable number, because it can be changed into a prime (31234234397) 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, 1217582 + ... + 1242969.

It is an arithmetic number, because the mean of its divisors is an integer number (3199947876).

Almost surely, 2^31234234394 is an apocalyptic number.

31234234394 is a deficient number, since it is larger than the sum of its proper divisors (19964931622).

31234234394 is a wasteful number, since it uses less digits than its factorization.

31234234394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461141.

The product of its digits is 186624, while the sum is 38.

The spelling of 31234234394 in words is "thirty-one billion, two hundred thirty-four million, two hundred thirty-four thousand, three hundred ninety-four".