13325340231 has 36 divisors (see below), whose sum is σ = 23707281312. Its totient is φ = 7166565504.

The previous prime is 13325340229. The next prime is 13325340241. The reversal of 13325340231 is 13204352331.

13325340231 is a `hidden beast` number, since 1 + 3 + 3 + 253 + 402 + 3 + 1 = 666.

It is not a de Polignac number, because 13325340231 - 2¹ = 13325340229 is a prime.

It is a super-2 number, since 2×13325340231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13325340195 and 13325340204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325340221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 881215 + ... + 896208.

It is an arithmetic number, because the mean of its divisors is an integer number (658535592).

Almost surely, 2^13325340231 is an apocalyptic number.

13325340231 is a deficient number, since it is larger than the sum of its proper divisors (10381941081).

13325340231 is a wasteful number, since it uses less digits than its factorization.

13325340231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777460 (or 1777450 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 13325340231 its reverse (13204352331), we get a palindrome (26529692562).

The spelling of 13325340231 in words is "thirteen billion, three hundred twenty-five million, three hundred forty thousand, two hundred thirty-one".