31212130098223 has 2 divisors, whose sum is σ = 31212130098224. Its totient is φ = 31212130098222.

The previous prime is 31212130098173. The next prime is 31212130098299. The reversal of 31212130098223 is 32289003121213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31212130098223 - 2⁹ = 31212130097711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31212130098623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15606065049111 + 15606065049112.

It is an arithmetic number, because the mean of its divisors is an integer number (15606065049112).

Almost surely, 2^{31212130098223} is an apocalyptic number.

31212130098223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31212130098223 is an equidigital number, since it uses as much as digits as its factorization.

31212130098223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 31212130098223 in words is "thirty-one trillion, two hundred twelve billion, one hundred thirty million, ninety-eight thousand, two hundred twenty-three".