1013321003231 has 2 divisors, whose sum is σ = 1013321003232. Its totient is φ = 1013321003230.

The previous prime is 1013321003197. The next prime is 1013321003237. The reversal of 1013321003231 is 1323001233101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013321003231 is a prime.

It is a super-2 number, since 2×1013321003231² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013321003237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660501615 + 506660501616.

It is an arithmetic number, because the mean of its divisors is an integer number (506660501616).

Almost surely, 2^{1013321003231} is an apocalyptic number.

1013321003231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321003231 is an equidigital number, since it uses as much as digits as its factorization.

1013321003231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1013321003231 its reverse (1323001233101), we get a palindrome (2336322236332).

The spelling of 1013321003231 in words is "one trillion, thirteen billion, three hundred twenty-one million, three thousand, two hundred thirty-one".