100131223319 has 4 divisors (see below), whose sum is σ = 102573448320. Its totient is φ = 97688998320.

The previous prime is 100131223279. The next prime is 100131223321. The reversal of 100131223319 is 913322131001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913322131001 = 7 ⋅130474590143.

It is a cyclic number.

It is not a de Polignac number, because 100131223319 - 2⁸ = 100131223063 is a prime.

It is a super-2 number, since 2×100131223319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100131223369) 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, 1221112439 + ... + 1221112520.

It is an arithmetic number, because the mean of its divisors is an integer number (25643362080).

Almost surely, 2^100131223319 is an apocalyptic number.

100131223319 is a deficient number, since it is larger than the sum of its proper divisors (2442225001).

100131223319 is an equidigital number, since it uses as much as digits as its factorization.

100131223319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442225000.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 100131223319 in words is "one hundred billion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred nineteen".