31314150433452 has 96 divisors (see below), whose sum is σ = 77104687968000. Its totient is φ = 9863910604800.

The previous prime is 31314150433439. The next prime is 31314150433483. The reversal of 31314150433452 is 25433405141313.

It is a self number, because there is not a number n which added to its sum of digits gives 31314150433452.

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, 384980427 + ... + 385061757.

It is an arithmetic number, because the mean of its divisors is an integer number (803173833000).

Almost surely, 2^{31314150433452} 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 31314150433452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38552343984000).

31314150433452 is an abundant number, since it is smaller than the sum of its proper divisors (45790537534548).

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

31314150433452 is a wasteful number, since it uses less digits than its factorization.

31314150433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85567 (or 85565 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 31314150433452 its reverse (25433405141313), we get a palindrome (56747555574765).

The spelling of 31314150433452 in words is "thirty-one trillion, three hundred fourteen billion, one hundred fifty million, four hundred thirty-three thousand, four hundred fifty-two".