231455426031 has 6 divisors (see below), whose sum is σ = 334324504280. Its totient is φ = 154303617348.

The previous prime is 231455426021. The next prime is 231455426047. The reversal of 231455426031 is 130624554132.

231455426031 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 5 + 5 + 42 + 603 + 1 = 666.

It is not a de Polignac number, because 231455426031 - 2¹⁰ = 231455425007 is a prime.

It is a super-2 number, since 2×231455426031² (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 (231455426021) 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 5 ways as a sum of consecutive naturals, for example, 12858634771 + ... + 12858634788.

Almost surely, 2^231455426031 is an apocalyptic number.

231455426031 is a deficient number, since it is larger than the sum of its proper divisors (102869078249).

231455426031 is a wasteful number, since it uses less digits than its factorization.

231455426031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25717269565 (or 25717269562 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 231455426031 in words is "two hundred thirty-one billion, four hundred fifty-five million, four hundred twenty-six thousand, thirty-one".