31142444467 has 2 divisors, whose sum is σ = 31142444468. Its totient is φ = 31142444466.

The previous prime is 31142444413. The next prime is 31142444471. The reversal of 31142444467 is 76444424113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31142444467 is a prime.

It is not a weakly prime, because it can be changed into another prime (31142444407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15571222233 + 15571222234.

It is an arithmetic number, because the mean of its divisors is an integer number (15571222234).

Almost surely, 2^31142444467 is an apocalyptic number.

31142444467 is a deficient number, since it is larger than the sum of its proper divisors (1).

31142444467 is an equidigital number, since it uses as much as digits as its factorization.

31142444467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 40.

The spelling of 31142444467 in words is "thirty-one billion, one hundred forty-two million, four hundred forty-four thousand, four hundred sixty-seven".