100213231019 has 4 divisors (see below), whose sum is σ = 109323524760. Its totient is φ = 91102937280.

The previous prime is 100213231009. The next prime is 100213231043. The reversal of 100213231019 is 910132312001.

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

It is a cyclic number.

It is not a de Polignac number, because 100213231019 - 2⁴ = 100213231003 is a prime.

It is a super-2 number, since 2×100213231019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100213230985 and 100213231003.

It is not an unprimeable number, because it can be changed into a prime (100213231009) 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, 4555146854 + ... + 4555146875.

It is an arithmetic number, because the mean of its divisors is an integer number (27330881190).

Almost surely, 2^100213231019 is an apocalyptic number.

100213231019 is a deficient number, since it is larger than the sum of its proper divisors (9110293741).

100213231019 is an equidigital number, since it uses as much as digits as its factorization.

100213231019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110293740.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 100213231019 in words is "one hundred billion, two hundred thirteen million, two hundred thirty-one thousand, nineteen".