325211431 has 4 divisors (see below), whose sum is σ = 326360872. Its totient is φ = 324061992.

The previous prime is 325211407. The next prime is 325211441. The reversal of 325211431 is 134112523.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325211431 - 2⁵ = 325211399 is a prime.

It is a super-2 number, since 2×325211431² = 211524949706135522, which 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 (325211441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574296 + ... + 574861.

It is an arithmetic number, because the mean of its divisors is an integer number (81590218).

Almost surely, 2^325211431 is an apocalyptic number.

325211431 is a deficient number, since it is larger than the sum of its proper divisors (1149441).

325211431 is a wasteful number, since it uses less digits than its factorization.

325211431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149440.

The product of its digits is 720, while the sum is 22.

The square root of 325211431 is about 18033.6194647664. The cubic root of 325211431 is about 687.6834946460.

Adding to 325211431 its reverse (134112523), we get a palindrome (459323954).

The spelling of 325211431 in words is "three hundred twenty-five million, two hundred eleven thousand, four hundred thirty-one".