121231003032331 has 2 divisors, whose sum is σ = 121231003032332. Its totient is φ = 121231003032330.

The previous prime is 121231003032319. The next prime is 121231003032397. The reversal of 121231003032331 is 133230300132121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121231003032331 - 2²³ = 121230994643723 is a prime.

It is a super-2 number, since 2×121231003032331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121231003032296 and 121231003032305.

It is not a weakly prime, because it can be changed into another prime (121231003732331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60615501516165 + 60615501516166.

It is an arithmetic number, because the mean of its divisors is an integer number (60615501516166).

Almost surely, 2^{121231003032331} is an apocalyptic number.

121231003032331 is a deficient number, since it is larger than the sum of its proper divisors (1).

121231003032331 is an equidigital number, since it uses as much as digits as its factorization.

121231003032331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121231003032331 its reverse (133230300132121), we get a palindrome (254461303164452).

The spelling of 121231003032331 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three million, thirty-two thousand, three hundred thirty-one".