31110201049 has 2 divisors, whose sum is σ = 31110201050. Its totient is φ = 31110201048.

The previous prime is 31110201041. The next prime is 31110201167. The reversal of 31110201049 is 94010201113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30753935424 + 356265625 = 175368^2 + 18875^2 .

It is a cyclic number.

It is not a de Polignac number, because 31110201049 - 2³ = 31110201041 is a prime.

It is not a weakly prime, because it can be changed into another prime (31110201041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555100524 + 15555100525.

It is an arithmetic number, because the mean of its divisors is an integer number (15555100525).

Almost surely, 2^31110201049 is an apocalyptic number.

It is an amenable number.

31110201049 is a deficient number, since it is larger than the sum of its proper divisors (1).

31110201049 is an equidigital number, since it uses as much as digits as its factorization.

31110201049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 31110201049 in words is "thirty-one billion, one hundred ten million, two hundred one thousand, forty-nine".