2031100130009 has 2 divisors, whose sum is σ = 2031100130010. Its totient is φ = 2031100130008.

The previous prime is 2031100129987. The next prime is 2031100130027. The reversal of 2031100130009 is 9000310011302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1866078942025 + 165021187984 = 1366045^2 + 406228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031100130009 - 2²⁸ = 2030831694553 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031100139009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015550065004 + 1015550065005.

It is an arithmetic number, because the mean of its divisors is an integer number (1015550065005).

Almost surely, 2^{2031100130009} is an apocalyptic number.

It is an amenable number.

2031100130009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031100130009 is an equidigital number, since it uses as much as digits as its factorization.

2031100130009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The spelling of 2031100130009 in words is "two trillion, thirty-one billion, one hundred million, one hundred thirty thousand, nine".