31852254784 has 63 divisors (see below), whose sum is σ = 73549376523. Its totient is φ = 13646683008.

The previous prime is 31852254757. The next prime is 31852254809. The reversal of 31852254784 is 48745225813.

The square root of 31852254784 is 178472.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×31852254784² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

Its product of digits (2150400) is a multiple of the sum of its prime factors (6400).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9992839 + ... + 9996025.

It is an arithmetic number, because the mean of its divisors is an integer number (1167450421).

Almost surely, 2^31852254784 is an apocalyptic number.

31852254784 is the 178472-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31852254784

31852254784 is an abundant number, since it is smaller than the sum of its proper divisors (41697121739).

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

31852254784 is an frugal number, since it uses more digits than its factorization.

31852254784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400 (or 3196 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 49.

Multiplying 31852254784 by its sum of digits (49), we get a square (1560760484416 = 1249304²).

31852254784 divided by its sum of digits (49) gives a square (650046016 = 25496²).

The spelling of 31852254784 in words is "thirty-one billion, eight hundred fifty-two million, two hundred fifty-four thousand, seven hundred eighty-four".