231421041349 has 2 divisors, whose sum is σ = 231421041350. Its totient is φ = 231421041348.

The previous prime is 231421041317. The next prime is 231421041359. The reversal of 231421041349 is 943140124132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123520617025 + 107900424324 = 351455^2 + 328482^2 .

It is a cyclic number.

It is not a de Polignac number, because 231421041349 - 2⁵ = 231421041317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231421041359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115710520674 + 115710520675.

It is an arithmetic number, because the mean of its divisors is an integer number (115710520675).

Almost surely, 2^231421041349 is an apocalyptic number.

It is an amenable number.

231421041349 is a deficient number, since it is larger than the sum of its proper divisors (1).

231421041349 is an equidigital number, since it uses as much as digits as its factorization.

231421041349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 231421041349 in words is "two hundred thirty-one billion, four hundred twenty-one million, forty-one thousand, three hundred forty-nine".