31013101021099 has 2 divisors, whose sum is σ = 31013101021100. Its totient is φ = 31013101021098.

The previous prime is 31013101021031. The next prime is 31013101021109. The reversal of 31013101021099 is 99012010131013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31013101021099 - 2²⁹ = 31012564150187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31013101021099.

It is not a weakly prime, because it can be changed into another prime (31013101021499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506550510549 + 15506550510550.

It is an arithmetic number, because the mean of its divisors is an integer number (15506550510550).

Almost surely, 2^{31013101021099} is an apocalyptic number.

31013101021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013101021099 is an equidigital number, since it uses as much as digits as its factorization.

31013101021099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 31013101021099 in words is "thirty-one trillion, thirteen billion, one hundred one million, twenty-one thousand, ninety-nine".