1313425033221 has 32 divisors (see below), whose sum is σ = 2089588359168. Its totient is φ = 717497827200.

The previous prime is 1313425033201. The next prime is 1313425033273. The reversal of 1313425033221 is 1223305243131.

It is not a de Polignac number, because 1313425033221 - 2¹¹ = 1313425031173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313425033201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114940 + ... + 1624826.

It is an arithmetic number, because the mean of its divisors is an integer number (65299636224).

Almost surely, 2^{1313425033221} is an apocalyptic number.

It is an amenable number.

1313425033221 is a deficient number, since it is larger than the sum of its proper divisors (776163325947).

1313425033221 is a wasteful number, since it uses less digits than its factorization.

1313425033221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511721.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 1313425033221 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, thirty-three thousand, two hundred twenty-one".