31123232027 has 2 divisors, whose sum is σ = 31123232028. Its totient is φ = 31123232026.

The previous prime is 31123231991. The next prime is 31123232039. The reversal of 31123232027 is 72023232113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31123232027 - 2⁸ = 31123231771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31123231987 and 31123232005.

It is not a weakly prime, because it can be changed into another prime (31123232047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15561616013 + 15561616014.

It is an arithmetic number, because the mean of its divisors is an integer number (15561616014).

Almost surely, 2^31123232027 is an apocalyptic number.

31123232027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31123232027 is an equidigital number, since it uses as much as digits as its factorization.

31123232027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The spelling of 31123232027 in words is "thirty-one billion, one hundred twenty-three million, two hundred thirty-two thousand, twenty-seven".