31242254054052 has 24 divisors (see below), whose sum is σ = 72898881715296. Its totient is φ = 10414043410048.

The previous prime is 31242254053987. The next prime is 31242254054071. The reversal of 31242254054052 is 25045045224213.

It is a self number, because there is not a number n which added to its sum of digits gives 31242254054052.

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, 1924293 + ... + 8135564.

It is an arithmetic number, because the mean of its divisors is an integer number (3037453404804).

Almost surely, 2^{31242254054052} is an apocalyptic number.

It is an amenable number.

31242254054052 is an abundant number, since it is smaller than the sum of its proper divisors (41656627661244).

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

31242254054052 is a wasteful number, since it uses less digits than its factorization.

31242254054052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318667 (or 10318665 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 31242254054052 its reverse (25045045224213), we get a palindrome (56287299278265).

The spelling of 31242254054052 in words is "thirty-one trillion, two hundred forty-two billion, two hundred fifty-four million, fifty-four thousand, fifty-two".