31425425025524 has 6 divisors (see below), whose sum is σ = 54994493794674. Its totient is φ = 15712712512760.

The previous prime is 31425425025479. The next prime is 31425425025541. The reversal of 31425425025524 is 42552052452413.

It can be written as a sum of positive squares in only one way, i.e., 21742934836624 + 9682490188900 = 4662932^2 + 3111670^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3928178128187 + ... + 3928178128194.

It is an arithmetic number, because the mean of its divisors is an integer number (9165748965779).

Almost surely, 2^{31425425025524} is an apocalyptic number.

It is an amenable number.

31425425025524 is a deficient number, since it is larger than the sum of its proper divisors (23569068769150).

31425425025524 is a wasteful number, since it uses less digits than its factorization.

31425425025524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7856356256385 (or 7856356256383 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 31425425025524 its reverse (42552052452413), we get a palindrome (73977477477937).

The spelling of 31425425025524 in words is "thirty-one trillion, four hundred twenty-five billion, four hundred twenty-five million, twenty-five thousand, five hundred twenty-four".