325220512331213 has 16 divisors (see below), whose sum is σ = 336526634925360. Its totient is φ = 314143158491136.

The previous prime is 325220512331201. The next prime is 325220512331303. The reversal of 325220512331213 is 312133215022523.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 11755009959364 + 313465502371849 = 3428558^2 + 17704957^2 .

It is a cyclic number.

It is not a de Polignac number, because 325220512331213 - 2¹⁸ = 325220512069069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325220512031213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178378820 + ... + 180192797.

It is an arithmetic number, because the mean of its divisors is an integer number (21032914682835).

Almost surely, 2^{325220512331213} is an apocalyptic number.

It is an amenable number.

325220512331213 is a deficient number, since it is larger than the sum of its proper divisors (11306122594147).

325220512331213 is a wasteful number, since it uses less digits than its factorization.

325220512331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358571936.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 325220512331213 its reverse (312133215022523), we get a palindrome (637353727353736).

The spelling of 325220512331213 in words is "three hundred twenty-five trillion, two hundred twenty billion, five hundred twelve million, three hundred thirty-one thousand, two hundred thirteen".