231430110403144 has 32 divisors (see below), whose sum is σ = 434074441070520. Its totient is φ = 115676930290176.

The previous prime is 231430110403133. The next prime is 231430110403159. The reversal of 231430110403144 is 441304011034132.

It can be written as a sum of positive squares in 4 ways, for example, as 231079217664100 + 350892739044 = 15201290^2 + 592362^2 .

It is a super-2 number, since 2×231430110403144² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460107274 + ... + 460609990.

Almost surely, 2^{231430110403144} is an apocalyptic number.

It is an amenable number.

231430110403144 is a deficient number, since it is larger than the sum of its proper divisors (202644330667376).

231430110403144 is a wasteful number, since it uses less digits than its factorization.

231430110403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521569 (or 521565 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 231430110403144 its reverse (441304011034132), we get a palindrome (672734121437276).

The spelling of 231430110403144 in words is "two hundred thirty-one trillion, four hundred thirty billion, one hundred ten million, four hundred three thousand, one hundred forty-four".