31413223091 has 2 divisors, whose sum is σ = 31413223092. Its totient is φ = 31413223090.

The previous prime is 31413223057. The next prime is 31413223151. The reversal of 31413223091 is 19032231413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31413223091 - 2²⁶ = 31346114227 is a prime.

It is not a weakly prime, because it can be changed into another prime (31413223691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15706611545 + 15706611546.

It is an arithmetic number, because the mean of its divisors is an integer number (15706611546).

Almost surely, 2^31413223091 is an apocalyptic number.

31413223091 is a deficient number, since it is larger than the sum of its proper divisors (1).

31413223091 is an equidigital number, since it uses as much as digits as its factorization.

31413223091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

It can be divided in two parts, 3141322 and 3091, that added together give a palindrome (3144413).

The spelling of 31413223091 in words is "thirty-one billion, four hundred thirteen million, two hundred twenty-three thousand, ninety-one".