231441950231 has 12 divisors (see below), whose sum is σ = 233547455880. Its totient is φ = 229348258080.

The previous prime is 231441950227. The next prime is 231441950249. The reversal of 231441950231 is 132059144132.

It is a happy number.

It is not a de Polignac number, because 231441950231 - 2² = 231441950227 is a prime.

It is a super-2 number, since 2×231441950231² (a number of 24 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 = 231441950191 and 231441950200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231441950261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15359441 + ... + 15374501.

It is an arithmetic number, because the mean of its divisors is an integer number (19462287990).

Almost surely, 2^231441950231 is an apocalyptic number.

231441950231 is a deficient number, since it is larger than the sum of its proper divisors (2105505649).

231441950231 is an equidigital number, since it uses as much as digits as its factorization.

231441950231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15533 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 231441950231 in words is "two hundred thirty-one billion, four hundred forty-one million, nine hundred fifty thousand, two hundred thirty-one".