100231220022013 has 4 divisors (see below), whose sum is σ = 100233291691008. Its totient is φ = 100229148353020.

The previous prime is 100231220021971. The next prime is 100231220022023. The reversal of 100231220022013 is 310220022132001.

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 a de Polignac number, because none of the positive numbers 2^k-100231220022013 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 (100231220022023) 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, 1035761923 + ... + 1035858688.

It is an arithmetic number, because the mean of its divisors is an integer number (25058322922752).

Almost surely, 2^{100231220022013} is an apocalyptic number.

It is an amenable number.

100231220022013 is a deficient number, since it is larger than the sum of its proper divisors (2071668995).

100231220022013 is an equidigital number, since it uses as much as digits as its factorization.

100231220022013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071668994.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 100231220022013 its reverse (310220022132001), we get a palindrome (410451242154014).

The spelling of 100231220022013 in words is "one hundred trillion, two hundred thirty-one billion, two hundred twenty million, twenty-two thousand, thirteen".