1313251120133 has 8 divisors (see below), whose sum is σ = 1382391832800. Its totient is φ = 1244112630768.

The previous prime is 1313251120109. The next prime is 1313251120169. The reversal of 1313251120133 is 3310211523131.

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 1313251120133 - 2²⁰ = 1313250071557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313251120333) 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, 733310 + ... + 1778832.

It is an arithmetic number, because the mean of its divisors is an integer number (172798979100).

Almost surely, 2^{1313251120133} is an apocalyptic number.

It is an amenable number.

1313251120133 is a deficient number, since it is larger than the sum of its proper divisors (69140712667).

1313251120133 is a wasteful number, since it uses less digits than its factorization.

1313251120133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111651.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 1313251120133 its reverse (3310211523131), we get a palindrome (4623462643264).

The spelling of 1313251120133 in words is "one trillion, three hundred thirteen billion, two hundred fifty-one million, one hundred twenty thousand, one hundred thirty-three".