231002020113149 has 2 divisors, whose sum is σ = 231002020113150. Its totient is φ = 231002020113148.

The previous prime is 231002020113031. The next prime is 231002020113167. The reversal of 231002020113149 is 941311020200132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207660492784900 + 23341527328249 = 14410430^2 + 4831307^2 .

It is a cyclic number.

It is not a de Polignac number, because 231002020113149 - 2²⁰ = 231002019064573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231002020113169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115501010056574 + 115501010056575.

It is an arithmetic number, because the mean of its divisors is an integer number (115501010056575).

Almost surely, 2^{231002020113149} is an apocalyptic number.

It is an amenable number.

231002020113149 is a deficient number, since it is larger than the sum of its proper divisors (1).

231002020113149 is an equidigital number, since it uses as much as digits as its factorization.

231002020113149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 231002020113149 in words is "two hundred thirty-one trillion, two billion, twenty million, one hundred thirteen thousand, one hundred forty-nine".