31235244252 has 48 divisors (see below), whose sum is σ = 76303866240. Its totient is φ = 9931595968.

The previous prime is 31235244251. The next prime is 31235244269. The reversal of 31235244252 is 25244253213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31235244251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511818 + ... + 569585.

It is an arithmetic number, because the mean of its divisors is an integer number (1589663880).

Almost surely, 2^31235244252 is an apocalyptic number.

It is an amenable number.

31235244252 is an abundant number, since it is smaller than the sum of its proper divisors (45068621988).

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

31235244252 is a wasteful number, since it uses less digits than its factorization.

31235244252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081522 (or 1081520 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

Adding to 31235244252 its reverse (25244253213), we get a palindrome (56479497465).

The spelling of 31235244252 in words is "thirty-one billion, two hundred thirty-five million, two hundred forty-four thousand, two hundred fifty-two".