213100031099 has 16 divisors (see below), whose sum is σ = 227534313600. Its totient is φ = 198881310720.

The previous prime is 213100030967. The next prime is 213100031107. The reversal of 213100031099 is 990130001312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213100031099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213100031399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431134 + ... + 1573004.

It is an arithmetic number, because the mean of its divisors is an integer number (14220894600).

Almost surely, 2^213100031099 is an apocalyptic number.

213100031099 is a deficient number, since it is larger than the sum of its proper divisors (14434282501).

213100031099 is a wasteful number, since it uses less digits than its factorization.

213100031099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142630.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 213100031099 in words is "two hundred thirteen billion, one hundred million, thirty-one thousand, ninety-nine".