31130101121999 has 4 divisors (see below), whose sum is σ = 33960110314920. Its totient is φ = 28300091929080.

The previous prime is 31130101121969. The next prime is 31130101122007. The reversal of 31130101121999 is 99912110103113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31130101121999 - 2²⁸ = 31129832686543 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 (31130101121969) 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, 1415004596444 + ... + 1415004596465.

It is an arithmetic number, because the mean of its divisors is an integer number (8490027578730).

Almost surely, 2^{31130101121999} is an apocalyptic number.

31130101121999 is a deficient number, since it is larger than the sum of its proper divisors (2830009192921).

31130101121999 is a wasteful number, since it uses less digits than its factorization.

31130101121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830009192920.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 31130101121999 in words is "thirty-one trillion, one hundred thirty billion, one hundred one million, one hundred twenty-one thousand, nine hundred ninety-nine".