325613550431 has 12 divisors (see below), whose sum is σ = 353232138312. Its totient is φ = 300016787616.

The previous prime is 325613550397. The next prime is 325613550443. The reversal of 325613550431 is 134055316523.

It is a de Polignac number, because none of the positive numbers 2^k-325613550431 is a prime.

It is a super-2 number, since 2×325613550431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325613550461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1668716 + ... + 1853601.

It is an arithmetic number, because the mean of its divisors is an integer number (29436011526).

Almost surely, 2^325613550431 is an apocalyptic number.

325613550431 is a deficient number, since it is larger than the sum of its proper divisors (27618587881).

325613550431 is a wasteful number, since it uses less digits than its factorization.

325613550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522890 (or 3522877 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 325613550431 its reverse (134055316523), we get a palindrome (459668866954).

The spelling of 325613550431 in words is "three hundred twenty-five billion, six hundred thirteen million, five hundred fifty thousand, four hundred thirty-one".