31450177161452 has 96 divisors (see below), whose sum is σ = 64199365171200. Its totient is φ = 13201198133760.

The previous prime is 31450177161443. The next prime is 31450177161457. The reversal of 31450177161452 is 25416177105413.

It is a super-2 number, since 2×31450177161452² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31450177161397 and 31450177161406.

It is not an unprimeable number, because it can be changed into a prime (31450177161457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2410153424 + ... + 2410166472.

It is an arithmetic number, because the mean of its divisors is an integer number (668743387200).

Almost surely, 2^{31450177161452} 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 31450177161452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32099682585600).

31450177161452 is an abundant number, since it is smaller than the sum of its proper divisors (32749188009748).

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

31450177161452 is a wasteful number, since it uses less digits than its factorization.

31450177161452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831 (or 15829 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 31450177161452 in words is "thirty-one trillion, four hundred fifty billion, one hundred seventy-seven million, one hundred sixty-one thousand, four hundred fifty-two".