31424755164 has 96 divisors (see below), whose sum is σ = 82677805056. Its totient is φ = 9207602880.

The previous prime is 31424755151. The next prime is 31424755217. The reversal of 31424755164 is 46155742413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484419 + ... + 545445.

It is an arithmetic number, because the mean of its divisors is an integer number (861227136).

Almost surely, 2^31424755164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31424755164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41338902528).

31424755164 is an abundant number, since it is smaller than the sum of its proper divisors (51253049892).

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

31424755164 is a wasteful number, since it uses less digits than its factorization.

31424755164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61175 (or 61173 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The spelling of 31424755164 in words is "thirty-one billion, four hundred twenty-four million, seven hundred fifty-five thousand, one hundred sixty-four".