232445981313 has 60 divisors (see below), whose sum is σ = 434996686740. Its totient is φ = 122608842048.

The previous prime is 232445981293. The next prime is 232445981347. The reversal of 232445981313 is 313189544232.

It is a happy number.

232445981313 is a `hidden beast` number, since 2 + 3 + 2 + 44 + 598 + 1 + 3 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 83838044304 + 148607937009 = 289548^2 + 385497^2 .

It is not a de Polignac number, because 232445981313 - 2⁵ = 232445981281 is a prime.

It is a super-2 number, since 2×232445981313² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232445981393) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2200918 + ... + 2304111.

It is an arithmetic number, because the mean of its divisors is an integer number (7249944779).

Almost surely, 2^232445981313 is an apocalyptic number.

It is an amenable number.

232445981313 is a deficient number, since it is larger than the sum of its proper divisors (202550705427).

232445981313 is a wasteful number, since it uses less digits than its factorization.

232445981313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505068 (or 4505052 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 232445981313 in words is "two hundred thirty-two billion, four hundred forty-five million, nine hundred eighty-one thousand, three hundred thirteen".