1235113152313 has 4 divisors (see below), whose sum is σ = 1268494588900. Its totient is φ = 1201731715728.

The previous prime is 1235113152307. The next prime is 1235113152347. The reversal of 1235113152313 is 3132513115321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1187297895424 + 47815256889 = 1089632^2 + 218667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1235113152313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235113152373) 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 in 3 ways as a sum of consecutive naturals, for example, 16690718238 + ... + 16690718311.

It is an arithmetic number, because the mean of its divisors is an integer number (317123647225).

Almost surely, 2^{1235113152313} is an apocalyptic number.

It is an amenable number.

1235113152313 is a deficient number, since it is larger than the sum of its proper divisors (33381436587).

1235113152313 is an equidigital number, since it uses as much as digits as its factorization.

1235113152313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33381436586.

The product of its digits is 8100, while the sum is 31.

Adding to 1235113152313 its reverse (3132513115321), we get a palindrome (4367626267634).

The spelling of 1235113152313 in words is "one trillion, two hundred thirty-five billion, one hundred thirteen million, one hundred fifty-two thousand, three hundred thirteen".