231202112249 has 2 divisors, whose sum is σ = 231202112250. Its totient is φ = 231202112248.

The previous prime is 231202112231. The next prime is 231202112261. The reversal of 231202112249 is 942211202132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165905509225 + 65296603024 = 407315^2 + 255532^2 .

It is a cyclic number.

It is not a de Polignac number, because 231202112249 - 2²⁴ = 231185335033 is a prime.

It is not a weakly prime, because it can be changed into another prime (231202112209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115601056124 + 115601056125.

It is an arithmetic number, because the mean of its divisors is an integer number (115601056125).

Almost surely, 2^231202112249 is an apocalyptic number.

It is an amenable number.

231202112249 is a deficient number, since it is larger than the sum of its proper divisors (1).

231202112249 is an equidigital number, since it uses as much as digits as its factorization.

231202112249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 231202112249 in words is "two hundred thirty-one billion, two hundred two million, one hundred twelve thousand, two hundred forty-nine".