31664346234 has 32 divisors (see below), whose sum is σ = 67394327616. Its totient is φ = 9883480320.

The previous prime is 31664346227. The next prime is 31664346239. The reversal of 31664346234 is 43264346613.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31664346239) 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, 767812 + ... + 807999.

It is an arithmetic number, because the mean of its divisors is an integer number (2106072738).

Almost surely, 2^31664346234 is an apocalyptic number.

31664346234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31664346234 is an abundant number, since it is smaller than the sum of its proper divisors (35729981382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31664346234 is a wasteful number, since it uses less digits than its factorization.

31664346234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576030.

The product of its digits is 746496, while the sum is 42.

The spelling of 31664346234 in words is "thirty-one billion, six hundred sixty-four million, three hundred forty-six thousand, two hundred thirty-four".