31023223012087 has 2 divisors, whose sum is σ = 31023223012088. Its totient is φ = 31023223012086.

The previous prime is 31023223012079. The next prime is 31023223012141. The reversal of 31023223012087 is 78021032232013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31023223012087 - 2³ = 31023223012079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023223012037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511611506043 + 15511611506044.

It is an arithmetic number, because the mean of its divisors is an integer number (15511611506044).

Almost surely, 2^{31023223012087} is an apocalyptic number.

31023223012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023223012087 is an equidigital number, since it uses as much as digits as its factorization.

31023223012087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 31023223012087 in words is "thirty-one trillion, twenty-three billion, two hundred twenty-three million, twelve thousand, eighty-seven".