31140312167 has 2 divisors, whose sum is σ = 31140312168. Its totient is φ = 31140312166.

The previous prime is 31140312103. The next prime is 31140312199. The reversal of 31140312167 is 76121304113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31140312167 - 2⁶ = 31140312103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31140317167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570156083 + 15570156084.

It is an arithmetic number, because the mean of its divisors is an integer number (15570156084).

Almost surely, 2^31140312167 is an apocalyptic number.

31140312167 is a deficient number, since it is larger than the sum of its proper divisors (1).

31140312167 is an equidigital number, since it uses as much as digits as its factorization.

31140312167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 31140312167 in words is "thirty-one billion, one hundred forty million, three hundred twelve thousand, one hundred sixty-seven".