2311922613 has 32 divisors (see below), whose sum is σ = 4138831872. Its totient is φ = 1108612800.

The previous prime is 2311922609. The next prime is 2311922687. The reversal of 2311922613 is 3162291132.

2311922613 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311922613 - 2² = 2311922609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311922513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381933 + ... + 387938.

It is an arithmetic number, because the mean of its divisors is an integer number (129338496).

Almost surely, 2^2311922613 is an apocalyptic number.

It is an amenable number.

2311922613 is a deficient number, since it is larger than the sum of its proper divisors (1826909259).

2311922613 is a wasteful number, since it uses less digits than its factorization.

2311922613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769905.

The product of its digits is 3888, while the sum is 30.

The square root of 2311922613 is about 48082.4563952384. The cubic root of 2311922613 is about 1322.2830502599.

The spelling of 2311922613 in words is "two billion, three hundred eleven million, nine hundred twenty-two thousand, six hundred thirteen".