31124042227 has 2 divisors, whose sum is σ = 31124042228. Its totient is φ = 31124042226.

The previous prime is 31124042219. The next prime is 31124042251. The reversal of 31124042227 is 72224042113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31124042227 - 2³ = 31124042219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31124042195 and 31124042204.

It is not a weakly prime, because it can be changed into another prime (31124046227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15562021113 + 15562021114.

It is an arithmetic number, because the mean of its divisors is an integer number (15562021114).

Almost surely, 2^31124042227 is an apocalyptic number.

31124042227 is a deficient number, since it is larger than the sum of its proper divisors (1).

31124042227 is an equidigital number, since it uses as much as digits as its factorization.

31124042227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 31124042227 in words is "thirty-one billion, one hundred twenty-four million, forty-two thousand, two hundred twenty-seven".