231624326873109 has 16 divisors (see below), whose sum is σ = 317030709625344. Its totient is φ = 150340174748400.

The previous prime is 231624326873063. The next prime is 231624326873113. The reversal of 231624326873109 is 901378623426132.

It is not a de Polignac number, because 231624326873109 - 2¹⁷ = 231624326742037 is a prime.

It is a super-2 number, since 2×231624326873109² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231624326873119) 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, 2886675987 + ... + 2886756224.

It is an arithmetic number, because the mean of its divisors is an integer number (19814419351584).

Almost surely, 2^{231624326873109} is an apocalyptic number.

It is an amenable number.

231624326873109 is a deficient number, since it is larger than the sum of its proper divisors (85406382752235).

231624326873109 is a wasteful number, since it uses less digits than its factorization.

231624326873109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773432568.

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 231624326873109 in words is "two hundred thirty-one trillion, six hundred twenty-four billion, three hundred twenty-six million, eight hundred seventy-three thousand, one hundred nine".