231002100013 has 4 divisors (see below), whose sum is σ = 231026707648. Its totient is φ = 230977492380.

The previous prime is 231002099969. The next prime is 231002100047. The reversal of 231002100013 is 310001200132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231002100013 - 2²⁹ = 230465229101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231002099966 and 231002100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231002100913) 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, 12289731 + ... + 12308512.

It is an arithmetic number, because the mean of its divisors is an integer number (57756676912).

Almost surely, 2^231002100013 is an apocalyptic number.

It is an amenable number.

231002100013 is a deficient number, since it is larger than the sum of its proper divisors (24607635).

231002100013 is an equidigital number, since it uses as much as digits as its factorization.

231002100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24607634.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 231002100013 its reverse (310001200132), we get a palindrome (541003300145).

The spelling of 231002100013 in words is "two hundred thirty-one billion, two million, one hundred thousand, thirteen".