231241119961 has 2 divisors, whose sum is σ = 231241119962. Its totient is φ = 231241119960.

The previous prime is 231241119943. The next prime is 231241120001. The reversal of 231241119961 is 169911142132.

It is a happy number.

It is an a-pointer prime, because the next prime (231241120001) can be obtained adding 231241119961 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123029070025 + 108212049936 = 350755^2 + 328956^2 .

It is a cyclic number.

It is not a de Polignac number, because 231241119961 - 2⁵ = 231241119929 is a prime.

It is not a weakly prime, because it can be changed into another prime (231241119061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115620559980 + 115620559981.

It is an arithmetic number, because the mean of its divisors is an integer number (115620559981).

Almost surely, 2^231241119961 is an apocalyptic number.

It is an amenable number.

231241119961 is a deficient number, since it is larger than the sum of its proper divisors (1).

231241119961 is an equidigital number, since it uses as much as digits as its factorization.

231241119961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 40.

The spelling of 231241119961 in words is "two hundred thirty-one billion, two hundred forty-one million, one hundred nineteen thousand, nine hundred sixty-one".