31112404067 has 2 divisors, whose sum is σ = 31112404068. Its totient is φ = 31112404066.

The previous prime is 31112404009. The next prime is 31112404079. The reversal of 31112404067 is 76040421113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31112404067 - 2¹⁸ = 31112141923 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (31112404087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556202033 + 15556202034.

It is an arithmetic number, because the mean of its divisors is an integer number (15556202034).

Almost surely, 2^31112404067 is an apocalyptic number.

31112404067 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112404067 is an equidigital number, since it uses as much as digits as its factorization.

31112404067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 31112404067 in words is "thirty-one billion, one hundred twelve million, four hundred four thousand, sixty-seven".