31860615413 has 8 divisors (see below), whose sum is σ = 34880728896. Its totient is φ = 28861117600.

The previous prime is 31860615407. The next prime is 31860615439. The reversal of 31860615413 is 31451606813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31860615413 - 2¹⁰ = 31860614389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31860615113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5150681 + ... + 5156862.

It is an arithmetic number, because the mean of its divisors is an integer number (4360091112).

Almost surely, 2^31860615413 is an apocalyptic number.

It is an amenable number.

31860615413 is a deficient number, since it is larger than the sum of its proper divisors (3020113483).

31860615413 is a wasteful number, since it uses less digits than its factorization.

31860615413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307835.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 31860615413 in words is "thirty-one billion, eight hundred sixty million, six hundred fifteen thousand, four hundred thirteen".