31464864310139 has 8 divisors (see below), whose sum is σ = 33886484146032. Its totient is φ = 29043422425440.

The previous prime is 31464864310129. The next prime is 31464864310151. The reversal of 31464864310139 is 93101346846413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31464864310139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31464864310109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44120444 + ... + 44827929.

It is an arithmetic number, because the mean of its divisors is an integer number (4235810518254).

Almost surely, 2^{31464864310139} is an apocalyptic number.

31464864310139 is a deficient number, since it is larger than the sum of its proper divisors (2421619835893).

31464864310139 is a wasteful number, since it uses less digits than its factorization.

31464864310139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88975597.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 31464864310139 in words is "thirty-one trillion, four hundred sixty-four billion, eight hundred sixty-four million, three hundred ten thousand, one hundred thirty-nine".