31530136034125 has 16 divisors (see below), whose sum is σ = 39371629976640. Its totient is φ = 25209993310800.

The previous prime is 31530136034123. The next prime is 31530136034203. The reversal of 31530136034125 is 52143063103513.

It is not a de Polignac number, because 31530136034125 - 2¹ = 31530136034123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31530136034123) 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, 70353315 + ... + 70800064.

It is an arithmetic number, because the mean of its divisors is an integer number (2460726873540).

Almost surely, 2^{31530136034125} is an apocalyptic number.

It is an amenable number.

31530136034125 is a deficient number, since it is larger than the sum of its proper divisors (7841493942515).

31530136034125 is a wasteful number, since it uses less digits than its factorization.

31530136034125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141155181 (or 141155171 counting only the distinct ones).

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

Adding to 31530136034125 its reverse (52143063103513), we get a palindrome (83673199137638).

The spelling of 31530136034125 in words is "thirty-one trillion, five hundred thirty billion, one hundred thirty-six million, thirty-four thousand, one hundred twenty-five".