31253410243452 has 24 divisors (see below), whose sum is σ = 73098668361600. Its totient is φ = 10392939920176.

The previous prime is 31253410243439. The next prime is 31253410243567. The reversal of 31253410243452 is 25434201435213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31253410243452.

It is a congruent number.

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, 3107931552 + ... + 3107941607.

It is an arithmetic number, because the mean of its divisors is an integer number (3045777848400).

Almost surely, 2^{31253410243452} is an apocalyptic number.

It is an amenable number.

31253410243452 is an abundant number, since it is smaller than the sum of its proper divisors (41845258118148).

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

31253410243452 is a wasteful number, since it uses less digits than its factorization.

31253410243452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215873585 (or 6215873583 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 31253410243452 its reverse (25434201435213), we get a palindrome (56687611678665).

The spelling of 31253410243452 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred ten million, two hundred forty-three thousand, four hundred fifty-two".