10100031013 has 4 divisors (see below), whose sum is σ = 10111548460. Its totient is φ = 10088513568.

The previous prime is 10100030987. The next prime is 10100031047. The reversal of 10100031013 is 31013000101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9424914724 + 675116289 = 97082^2 + 25983^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100031013 - 2²¹ = 10097933861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100031713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5757408 + ... + 5759161.

It is an arithmetic number, because the mean of its divisors is an integer number (2527887115).

Almost surely, 2^10100031013 is an apocalyptic number.

It is an amenable number.

10100031013 is a deficient number, since it is larger than the sum of its proper divisors (11517447).

10100031013 is an equidigital number, since it uses as much as digits as its factorization.

10100031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517446.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 10100031013 its reverse (31013000101), we get a palindrome (41113031114).

The spelling of 10100031013 in words is "ten billion, one hundred million, thirty-one thousand, thirteen".