31021104299 has 4 divisors (see below), whose sum is σ = 31022429736. Its totient is φ = 31019778864.

The previous prime is 31021104287. The next prime is 31021104329. The reversal of 31021104299 is 99240112013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99240112013 = 7 ⋅14177158859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31021104299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31021104599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626969 + ... + 674634.

It is an arithmetic number, because the mean of its divisors is an integer number (7755607434).

Almost surely, 2^31021104299 is an apocalyptic number.

31021104299 is a deficient number, since it is larger than the sum of its proper divisors (1325437).

31021104299 is a wasteful number, since it uses less digits than its factorization.

31021104299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325436.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 31021104299 in words is "thirty-one billion, twenty-one million, one hundred four thousand, two hundred ninety-nine".