31830841744 has 135 divisors (see below), whose sum is σ = 69179801283. Its totient is φ = 14181613056.

The previous prime is 31830841733. The next prime is 31830841793. The reversal of 31830841744 is 44714803813.

The square root of 31830841744 is 178412.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3202201744 + 28628640000 = 56588^2 + 169200^2 .

It is a super-2 number, since 2×31830841744² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31830841744.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 436038892 + ... + 436038964.

Almost surely, 2^31830841744 is an apocalyptic number.

31830841744 is the 178412-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31830841744

31830841744 is an abundant number, since it is smaller than the sum of its proper divisors (37348959539).

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

31830841744 is an equidigital number, since it uses as much as digits as its factorization.

31830841744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The spelling of 31830841744 in words is "thirty-one billion, eight hundred thirty million, eight hundred forty-one thousand, seven hundred forty-four".