235500221313 has 32 divisors (see below), whose sum is σ = 398904856320. Its totient is φ = 134512721280.

The previous prime is 235500221309. The next prime is 235500221351. The reversal of 235500221313 is 313122005532.

It is a happy number.

235500221313 is a `hidden beast` number, since 2 + 3 + 5 + 500 + 22 + 131 + 3 = 666.

It is not a de Polignac number, because 235500221313 - 2² = 235500221309 is a prime.

It is a super-3 number, since 3×235500221313³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (235500221113) 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, 162903 + ... + 705363.

It is an arithmetic number, because the mean of its divisors is an integer number (12465776760).

Almost surely, 2^235500221313 is an apocalyptic number.

It is an amenable number.

235500221313 is a deficient number, since it is larger than the sum of its proper divisors (163404635007).

235500221313 is a wasteful number, since it uses less digits than its factorization.

235500221313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544774 (or 544768 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 235500221313 its reverse (313122005532), we get a palindrome (548622226845).

The spelling of 235500221313 in words is "two hundred thirty-five billion, five hundred million, two hundred twenty-one thousand, three hundred thirteen".