31423292227 has 2 divisors, whose sum is σ = 31423292228. Its totient is φ = 31423292226.

The previous prime is 31423292213. The next prime is 31423292237. The reversal of 31423292227 is 72229232413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423292227 - 2¹⁹ = 31422767939 is a prime.

It is not a weakly prime, because it can be changed into another prime (31423292237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711646113 + 15711646114.

It is an arithmetic number, because the mean of its divisors is an integer number (15711646114).

Almost surely, 2^31423292227 is an apocalyptic number.

31423292227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423292227 is an equidigital number, since it uses as much as digits as its factorization.

31423292227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The spelling of 31423292227 in words is "thirty-one billion, four hundred twenty-three million, two hundred ninety-two thousand, two hundred twenty-seven".