31013141232 has 160 divisors (see below), whose sum is σ = 82674708480. Its totient is φ = 10014600960.

The previous prime is 31013141221. The next prime is 31013141233. The reversal of 31013141232 is 23214131013.

It is a junction number, because it is equal to n+sod(n) for n = 31013141199 and 31013141208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013141233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66409063 + ... + 66409529.

It is an arithmetic number, because the mean of its divisors is an integer number (516716928).

Almost surely, 2^31013141232 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 31013141232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41337354240).

31013141232 is an abundant number, since it is smaller than the sum of its proper divisors (51661567248).

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

31013141232 is a wasteful number, since it uses less digits than its factorization.

31013141232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31013141232 its reverse (23214131013), we get a palindrome (54227272245).

The spelling of 31013141232 in words is "thirty-one billion, thirteen million, one hundred forty-one thousand, two hundred thirty-two".