231046458749 has 2 divisors, whose sum is σ = 231046458750. Its totient is φ = 231046458748.

The previous prime is 231046458739. The next prime is 231046458757. The reversal of 231046458749 is 947854640132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126341148025 + 104705310724 = 355445^2 + 323582^2 .

It is a cyclic number.

It is not a de Polignac number, because 231046458749 - 2³² = 226751491453 is a prime.

It is a super-2 number, since 2×231046458749² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231046458749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231046458739) 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 as a sum of consecutive naturals, namely, 115523229374 + 115523229375.

It is an arithmetic number, because the mean of its divisors is an integer number (115523229375).

It is a 1-persistent number, because it is pandigital, but 2⋅231046458749 = 462092917498 is not.

Almost surely, 2^231046458749 is an apocalyptic number.

It is an amenable number.

231046458749 is a deficient number, since it is larger than the sum of its proper divisors (1).

231046458749 is an equidigital number, since it uses as much as digits as its factorization.

231046458749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 231046458749 in words is "two hundred thirty-one billion, forty-six million, four hundred fifty-eight thousand, seven hundred forty-nine".