2231665353403 has 2 divisors, whose sum is σ = 2231665353404. Its totient is φ = 2231665353402.

The previous prime is 2231665353373. The next prime is 2231665353409. The reversal of 2231665353403 is 3043535661322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231665353403 - 2⁵ = 2231665353371 is a prime.

It is a super-3 number, since 3×2231665353403³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231665353403.

It is not a weakly prime, because it can be changed into another prime (2231665353409) 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, 1115832676701 + 1115832676702.

It is an arithmetic number, because the mean of its divisors is an integer number (1115832676702).

Almost surely, 2^{2231665353403} is an apocalyptic number.

2231665353403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231665353403 is an equidigital number, since it uses as much as digits as its factorization.

2231665353403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 2231665353403 in words is "two trillion, two hundred thirty-one billion, six hundred sixty-five million, three hundred fifty-three thousand, four hundred three".