31302320011139 has 8 divisors (see below), whose sum is σ = 31414451816640. Its totient is φ = 31190198930856.

The previous prime is 31302320011129. The next prime is 31302320011153. The reversal of 31302320011139 is 93111002320313.

It is a happy number.

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 31302320011139 - 2⁸ = 31302320010883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302320011129) 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, 3189272 + ... + 8530890.

It is an arithmetic number, because the mean of its divisors is an integer number (3926806477080).

Almost surely, 2^{31302320011139} is an apocalyptic number.

31302320011139 is a deficient number, since it is larger than the sum of its proper divisors (112131805501).

31302320011139 is a wasteful number, since it uses less digits than its factorization.

31302320011139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5362609.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 31302320011139 in words is "thirty-one trillion, three hundred two billion, three hundred twenty million, eleven thousand, one hundred thirty-nine".