1313121231233 has 8 divisors (see below), whose sum is σ = 1500719856000. Its totient is φ = 1125525075840.

The previous prime is 1313121231179. The next prime is 1313121231241. The reversal of 1313121231233 is 3321321213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1313121231233 - 2¹² = 1313121227137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313121231263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713393 + ... + 1770641.

It is an arithmetic number, because the mean of its divisors is an integer number (187589982000).

Almost surely, 2^{1313121231233} is an apocalyptic number.

It is an amenable number.

1313121231233 is a deficient number, since it is larger than the sum of its proper divisors (187598624767).

1313121231233 is a wasteful number, since it uses less digits than its factorization.

1313121231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234687.

The product of its digits is 1944, while the sum is 26.

Adding to 1313121231233 its reverse (3321321213131), we get a palindrome (4634442444364).

The spelling of 1313121231233 in words is "one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-three".