1023210351313 has 2 divisors, whose sum is σ = 1023210351314. Its totient is φ = 1023210351312.

The previous prime is 1023210351157. The next prime is 1023210351389. The reversal of 1023210351313 is 3131530123201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 735644143809 + 287566207504 = 857697^2 + 536252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023210351313 - 2²⁵ = 1023176796881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023210351413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511605175656 + 511605175657.

It is an arithmetic number, because the mean of its divisors is an integer number (511605175657).

Almost surely, 2^{1023210351313} is an apocalyptic number.

It is an amenable number.

1023210351313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023210351313 is an equidigital number, since it uses as much as digits as its factorization.

1023210351313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 1023210351313 its reverse (3131530123201), we get a palindrome (4154740474514).

The spelling of 1023210351313 in words is "one trillion, twenty-three billion, two hundred ten million, three hundred fifty-one thousand, three hundred thirteen".