31045799101 has 2 divisors, whose sum is σ = 31045799102. Its totient is φ = 31045799100.

The previous prime is 31045799093. The next prime is 31045799131. The reversal of 31045799101 is 10199754013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22814592025 + 8231207076 = 151045^2 + 90726^2 .

It is a cyclic number.

It is not a de Polignac number, because 31045799101 - 2³ = 31045799093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31045799131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15522899550 + 15522899551.

It is an arithmetic number, because the mean of its divisors is an integer number (15522899551).

Almost surely, 2^31045799101 is an apocalyptic number.

It is an amenable number.

31045799101 is a deficient number, since it is larger than the sum of its proper divisors (1).

31045799101 is an equidigital number, since it uses as much as digits as its factorization.

31045799101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 31045799101 in words is "thirty-one billion, forty-five million, seven hundred ninety-nine thousand, one hundred one".