2100231239 has 2 divisors, whose sum is σ = 2100231240. Its totient is φ = 2100231238.

The previous prime is 2100231193. The next prime is 2100231251. The reversal of 2100231239 is 9321320012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100231239 - 2²⁸ = 1831795783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100231839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050115619 + 1050115620.

It is an arithmetic number, because the mean of its divisors is an integer number (1050115620).

Almost surely, 2^2100231239 is an apocalyptic number.

2100231239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100231239 is an equidigital number, since it uses as much as digits as its factorization.

2100231239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2100231239 is about 45828.2799044433. The cubic root of 2100231239 is about 1280.6261664125.

The spelling of 2100231239 in words is "two billion, one hundred million, two hundred thirty-one thousand, two hundred thirty-nine".