31044141391 has 2 divisors, whose sum is σ = 31044141392. Its totient is φ = 31044141390.

The previous prime is 31044141389. The next prime is 31044141407. The reversal of 31044141391 is 19314144013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31044141391 - 2¹ = 31044141389 is a prime.

Together with 31044141389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31044141361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522070695 + 15522070696.

It is an arithmetic number, because the mean of its divisors is an integer number (15522070696).

Almost surely, 2^31044141391 is an apocalyptic number.

31044141391 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044141391 is an equidigital number, since it uses as much as digits as its factorization.

31044141391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 31044141391 in words is "thirty-one billion, forty-four million, one hundred forty-one thousand, three hundred ninety-one".