31325401035136 has 64 divisors (see below), whose sum is σ = 67214913761520. Its totient is φ = 14456075876352.

The previous prime is 31325401035101. The next prime is 31325401035163. The reversal of 31325401035136 is 63153010452313.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 31325401035095 and 31325401035104.

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, 12231351 + ... + 14569033.

Almost surely, 2^{31325401035136} is an apocalyptic number.

It is an amenable number.

31325401035136 is an abundant number, since it is smaller than the sum of its proper divisors (35889512726384).

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

31325401035136 is a wasteful number, since it uses less digits than its factorization.

31325401035136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345763 (or 2345751 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 31325401035136 its reverse (63153010452313), we get a palindrome (94478411487449).

The spelling of 31325401035136 in words is "thirty-one trillion, three hundred twenty-five billion, four hundred one million, thirty-five thousand, one hundred thirty-six".