31032112037 has 2 divisors, whose sum is σ = 31032112038. Its totient is φ = 31032112036.

The previous prime is 31032112009. The next prime is 31032112039. The reversal of 31032112037 is 73021123013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17318296801 + 13713815236 = 131599^2 + 117106^2 .

It is an emirp because it is prime and its reverse (73021123013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31032112037 - 2¹⁰ = 31032111013 is a prime.

Together with 31032112039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31032112039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516056018 + 15516056019.

It is an arithmetic number, because the mean of its divisors is an integer number (15516056019).

Almost surely, 2^31032112037 is an apocalyptic number.

It is an amenable number.

31032112037 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032112037 is an equidigital number, since it uses as much as digits as its factorization.

31032112037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 31032112037 in words is "thirty-one billion, thirty-two million, one hundred twelve thousand, thirty-seven".