231310314109 has 4 divisors (see below), whose sum is σ = 264354644704. Its totient is φ = 198265983516.

The previous prime is 231310314089. The next prime is 231310314113. The reversal of 231310314109 is 901413013132.

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 not a de Polignac number, because 231310314109 - 2³¹ = 229162830461 is a prime.

It is a super-2 number, since 2×231310314109² (a number of 24 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 (231310314119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16522165287 + ... + 16522165300.

It is an arithmetic number, because the mean of its divisors is an integer number (66088661176).

Almost surely, 2^231310314109 is an apocalyptic number.

It is an amenable number.

231310314109 is a deficient number, since it is larger than the sum of its proper divisors (33044330595).

231310314109 is an equidigital number, since it uses as much as digits as its factorization.

231310314109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33044330594.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 231310314109 in words is "two hundred thirty-one billion, three hundred ten million, three hundred fourteen thousand, one hundred nine".