231012413 has 2 divisors, whose sum is σ = 231012414. Its totient is φ = 231012412.

The previous prime is 231012407. The next prime is 231012427. The reversal of 231012413 is 314210132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227466724 + 3545689 = 15082^2 + 1883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231012413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 231012391 and 231012400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231012493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115506206 + 115506207.

It is an arithmetic number, because the mean of its divisors is an integer number (115506207).

Almost surely, 2^231012413 is an apocalyptic number.

It is an amenable number.

231012413 is a deficient number, since it is larger than the sum of its proper divisors (1).

231012413 is an equidigital number, since it uses as much as digits as its factorization.

231012413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 231012413 is about 15199.0925058044. The cubic root of 231012413 is about 613.5902341866.

Adding to 231012413 its reverse (314210132), we get a palindrome (545222545).

The spelling of 231012413 in words is "two hundred thirty-one million, twelve thousand, four hundred thirteen".