32013131399 has 4 divisors (see below), whose sum is σ = 32013655536. Its totient is φ = 32012607264.

The previous prime is 32013131347. The next prime is 32013131401. The reversal of 32013131399 is 99313131023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99313131023 = 139 ⋅714482957.

It is a cyclic number.

It is not a de Polignac number, because 32013131399 - 2²⁸ = 31744695943 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 (32013131309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156194 + ... + 297359.

It is an arithmetic number, because the mean of its divisors is an integer number (8003413884).

Almost surely, 2^32013131399 is an apocalyptic number.

32013131399 is a deficient number, since it is larger than the sum of its proper divisors (524137).

32013131399 is an equidigital number, since it uses as much as digits as its factorization.

32013131399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524136.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 32013131399 in words is "thirty-two billion, thirteen million, one hundred thirty-one thousand, three hundred ninety-nine".