10001031109 has 2 divisors, whose sum is σ = 10001031110. Its totient is φ = 10001031108.

The previous prime is 10001031049. The next prime is 10001031127. The reversal of 10001031109 is 90113010001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5280928900 + 4720102209 = 72670^2 + 68703^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001031109 - 2⁷ = 10001030981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10001031092 and 10001031101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001031169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000515554 + 5000515555.

It is an arithmetic number, because the mean of its divisors is an integer number (5000515555).

Almost surely, 2^10001031109 is an apocalyptic number.

It is an amenable number.

10001031109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001031109 is an equidigital number, since it uses as much as digits as its factorization.

10001031109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The spelling of 10001031109 in words is "ten billion, one million, thirty-one thousand, one hundred nine".