231012242431 has 2 divisors, whose sum is σ = 231012242432. Its totient is φ = 231012242430.

The previous prime is 231012242411. The next prime is 231012242441. The reversal of 231012242431 is 134242210132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231012242431 - 2⁵ = 231012242399 is a prime.

It is a super-2 number, since 2×231012242431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231012242396 and 231012242405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231012242411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115506121215 + 115506121216.

It is an arithmetic number, because the mean of its divisors is an integer number (115506121216).

Almost surely, 2^231012242431 is an apocalyptic number.

231012242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

231012242431 is an equidigital number, since it uses as much as digits as its factorization.

231012242431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 231012242431 its reverse (134242210132), we get a palindrome (365254452563).

The spelling of 231012242431 in words is "two hundred thirty-one billion, twelve million, two hundred forty-two thousand, four hundred thirty-one".