60831500013 has 24 divisors (see below), whose sum is σ = 91433186208. Its totient is φ = 40415875344.

The previous prime is 60831499991. The next prime is 60831500017. The reversal of 60831500013 is 31000513806.

60831500013 is a `hidden beast` number, since 608 + 3 + 1 + 50 + 0 + 0 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-60831500013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 60831500013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60831500017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355995 + ... + 498392.

It is an arithmetic number, because the mean of its divisors is an integer number (3809716092).

Almost surely, 2^60831500013 is an apocalyptic number.

It is an amenable number.

60831500013 is a deficient number, since it is larger than the sum of its proper divisors (30601686195).

60831500013 is an equidigital number, since it uses as much as digits as its factorization.

60831500013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854695 (or 854683 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 60831500013 in words is "sixty billion, eight hundred thirty-one million, five hundred thousand, thirteen".