231230212023031 has 4 divisors (see below), whose sum is σ = 249017151409432. Its totient is φ = 213443272636632.

The previous prime is 231230212023017. The next prime is 231230212023113. The reversal of 231230212023031 is 130320212032132.

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 231230212023031 - 2⁹ = 231230212022519 is a prime.

It is a super-2 number, since 2×231230212023031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231230212022987 and 231230212023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231230212021031) 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, 8893469693181 + ... + 8893469693206.

It is an arithmetic number, because the mean of its divisors is an integer number (62254287852358).

Almost surely, 2^{231230212023031} is an apocalyptic number.

231230212023031 is a deficient number, since it is larger than the sum of its proper divisors (17786939386401).

231230212023031 is a wasteful number, since it uses less digits than its factorization.

231230212023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17786939386400.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231230212023031 its reverse (130320212032132), we get a palindrome (361550424055163).

The spelling of 231230212023031 in words is "two hundred thirty-one trillion, two hundred thirty billion, two hundred twelve million, twenty-three thousand, thirty-one".