31013132210227 has 2 divisors, whose sum is σ = 31013132210228. Its totient is φ = 31013132210226.

The previous prime is 31013132210119. The next prime is 31013132210261. The reversal of 31013132210227 is 72201223131013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31013132210227 - 2¹⁵ = 31013132177459 is a prime.

It is a super-2 number, since 2×31013132210227² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31013132210195 and 31013132210204.

It is not a weakly prime, because it can be changed into another prime (31013132219227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15506566105113 + 15506566105114.

It is an arithmetic number, because the mean of its divisors is an integer number (15506566105114).

Almost surely, 2^{31013132210227} is an apocalyptic number.

31013132210227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31013132210227 is an equidigital number, since it uses as much as digits as its factorization.

31013132210227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The spelling of 31013132210227 in words is "thirty-one trillion, thirteen billion, one hundred thirty-two million, two hundred ten thousand, two hundred twenty-seven".