31140204127 has 2 divisors, whose sum is σ = 31140204128. Its totient is φ = 31140204126.

The previous prime is 31140204107. The next prime is 31140204167. The reversal of 31140204127 is 72140204113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31140204127 - 2¹⁹ = 31139679839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31140204107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570102063 + 15570102064.

It is an arithmetic number, because the mean of its divisors is an integer number (15570102064).

Almost surely, 2^31140204127 is an apocalyptic number.

31140204127 is a deficient number, since it is larger than the sum of its proper divisors (1).

31140204127 is an equidigital number, since it uses as much as digits as its factorization.

31140204127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The spelling of 31140204127 in words is "thirty-one billion, one hundred forty million, two hundred four thousand, one hundred twenty-seven".