123132311230031 has 2 divisors, whose sum is σ = 123132311230032. Its totient is φ = 123132311230030.

The previous prime is 123132311230001. The next prime is 123132311230073. The reversal of 123132311230031 is 130032113231321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123132311230031 - 2³⁴ = 123115131360847 is a prime.

It is a super-2 number, since 2×123132311230031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123132311230001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61566155615015 + 61566155615016.

It is an arithmetic number, because the mean of its divisors is an integer number (61566155615016).

Almost surely, 2^{123132311230031} is an apocalyptic number.

123132311230031 is a deficient number, since it is larger than the sum of its proper divisors (1).

123132311230031 is an equidigital number, since it uses as much as digits as its factorization.

123132311230031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123132311230031 its reverse (130032113231321), we get a palindrome (253164424461352).

The spelling of 123132311230031 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, three hundred eleven million, two hundred thirty thousand, thirty-one".