31344525021252 has 24 divisors (see below), whose sum is σ = 75659198328000. Its totient is φ = 10087893110176.

The previous prime is 31344525021247. The next prime is 31344525021301. The reversal of 31344525021252 is 25212052544313.

It is a self number, because there is not a number n which added to its sum of digits gives 31344525021252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45035236752 + ... + 45035237447.

It is an arithmetic number, because the mean of its divisors is an integer number (3152466597000).

Almost surely, 2^{31344525021252} is an apocalyptic number.

It is an amenable number.

31344525021252 is an abundant number, since it is smaller than the sum of its proper divisors (44314673306748).

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

31344525021252 is a wasteful number, since it uses less digits than its factorization.

31344525021252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90070474235 (or 90070474233 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 31344525021252 its reverse (25212052544313), we get a palindrome (56556577565565).

The spelling of 31344525021252 in words is "thirty-one trillion, three hundred forty-four billion, five hundred twenty-five million, twenty-one thousand, two hundred fifty-two".