1231430352293 has 2 divisors, whose sum is σ = 1231430352294. Its totient is φ = 1231430352292.

The previous prime is 1231430352263. The next prime is 1231430352319. The reversal of 1231430352293 is 3922530341321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 851342073124 + 380088279169 = 922682^2 + 616513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231430352293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231430352233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615715176146 + 615715176147.

It is an arithmetic number, because the mean of its divisors is an integer number (615715176147).

Almost surely, 2^{1231430352293} is an apocalyptic number.

It is an amenable number.

1231430352293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231430352293 is an equidigital number, since it uses as much as digits as its factorization.

1231430352293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 1231430352293 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-two thousand, two hundred ninety-three".