31230203334091 has 2 divisors, whose sum is σ = 31230203334092. Its totient is φ = 31230203334090.

The previous prime is 31230203334059. The next prime is 31230203334107. The reversal of 31230203334091 is 19043330203213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31230203334091 - 2⁵ = 31230203334059 is a prime.

It is a super-2 number, since 2×31230203334091² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31230203334391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615101667045 + 15615101667046.

It is an arithmetic number, because the mean of its divisors is an integer number (15615101667046).

Almost surely, 2^{31230203334091} is an apocalyptic number.

31230203334091 is a deficient number, since it is larger than the sum of its proper divisors (1).

31230203334091 is an equidigital number, since it uses as much as digits as its factorization.

31230203334091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 31230203334091 in words is "thirty-one trillion, two hundred thirty billion, two hundred three million, three hundred thirty-four thousand, ninety-one".