31113023299 has 4 divisors (see below), whose sum is σ = 31120966240. Its totient is φ = 31105080360.

The previous prime is 31113023287. The next prime is 31113023323. The reversal of 31113023299 is 99232031113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99232031113 = 1399 ⋅70930687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31113023299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31113023899) 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, 3965592 + ... + 3973429.

It is an arithmetic number, because the mean of its divisors is an integer number (7780241560).

Almost surely, 2^31113023299 is an apocalyptic number.

31113023299 is a deficient number, since it is larger than the sum of its proper divisors (7942941).

31113023299 is an equidigital number, since it uses as much as digits as its factorization.

31113023299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7942940.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 31113023299 in words is "thirty-one billion, one hundred thirteen million, twenty-three thousand, two hundred ninety-nine".