109200031231 has 4 divisors (see below), whose sum is σ = 109262540152. Its totient is φ = 109137522312.

The previous prime is 109200031229. The next prime is 109200031249. The reversal of 109200031231 is 132130002901.

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 109200031231 - 2¹ = 109200031229 is a prime.

It is a super-2 number, since 2×109200031231² (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 (109200031261) 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, 31251840 + ... + 31255333.

It is an arithmetic number, because the mean of its divisors is an integer number (27315635038).

Almost surely, 2^109200031231 is an apocalyptic number.

109200031231 is a deficient number, since it is larger than the sum of its proper divisors (62508921).

109200031231 is an equidigital number, since it uses as much as digits as its factorization.

109200031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62508920.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 109200031231 in words is "one hundred nine billion, two hundred million, thirty-one thousand, two hundred thirty-one".