31320300227 has 2 divisors, whose sum is σ = 31320300228. Its totient is φ = 31320300226.

The previous prime is 31320300181. The next prime is 31320300247. The reversal of 31320300227 is 72200302313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31320300227 - 2¹² = 31320296131 is a prime.

It is a super-2 number, since 2×31320300227² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31320300247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660150113 + 15660150114.

It is an arithmetic number, because the mean of its divisors is an integer number (15660150114).

Almost surely, 2^31320300227 is an apocalyptic number.

31320300227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320300227 is an equidigital number, since it uses as much as digits as its factorization.

31320300227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The spelling of 31320300227 in words is "thirty-one billion, three hundred twenty million, three hundred thousand, two hundred twenty-seven".