2931931113 has 8 divisors (see below), whose sum is σ = 4035346176. Its totient is φ = 1891568400.

The previous prime is 2931931099. The next prime is 2931931133. The reversal of 2931931113 is 3111391392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2931931113 - 2¹⁴ = 2931914729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2931931133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15762978 + ... + 15763163.

It is an arithmetic number, because the mean of its divisors is an integer number (504418272).

Almost surely, 2^2931931113 is an apocalyptic number.

It is an amenable number.

2931931113 is a deficient number, since it is larger than the sum of its proper divisors (1103415063).

2931931113 is a wasteful number, since it uses less digits than its factorization.

2931931113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31526175.

The product of its digits is 4374, while the sum is 33.

The square root of 2931931113 is about 54147.3093791372. The cubic root of 2931931113 is about 1431.2579787177.

The spelling of 2931931113 in words is "two billion, nine hundred thirty-one million, nine hundred thirty-one thousand, one hundred thirteen".