2331122139 has 32 divisors (see below), whose sum is σ = 3497282880. Its totient is φ = 1534464000.

The previous prime is 2331122107. The next prime is 2331122153. The reversal of 2331122139 is 9312211332.

It is not a de Polignac number, because 2331122139 - 2⁵ = 2331122107 is a prime.

It is a super-3 number, since 3×2331122139³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2331122239) 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 31 ways as a sum of consecutive naturals, for example, 1573279 + ... + 1574759.

It is an arithmetic number, because the mean of its divisors is an integer number (109290090).

Almost surely, 2^2331122139 is an apocalyptic number.

2331122139 is a deficient number, since it is larger than the sum of its proper divisors (1166160741).

2331122139 is a wasteful number, since it uses less digits than its factorization.

2331122139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2182 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 2331122139 is about 48281.6956930885. The cubic root of 2331122139 is about 1325.9332955122.

The spelling of 2331122139 in words is "two billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-nine".