3205335320131 has 4 divisors (see below), whose sum is σ = 3663240365872. Its totient is φ = 2747430274392.

The previous prime is 3205335320123. The next prime is 3205335320137. The reversal of 3205335320131 is 1310235335023.

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 3205335320131 - 2³ = 3205335320123 is a prime.

It is a super-2 number, since 2×3205335320131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3205335320093 and 3205335320102.

It is not an unprimeable number, because it can be changed into a prime (3205335320137) 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, 228952522860 + ... + 228952522873.

It is an arithmetic number, because the mean of its divisors is an integer number (915810091468).

Almost surely, 2^{3205335320131} is an apocalyptic number.

3205335320131 is a deficient number, since it is larger than the sum of its proper divisors (457905045741).

3205335320131 is an equidigital number, since it uses as much as digits as its factorization.

3205335320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457905045740.

The product of its (nonzero) digits is 24300, while the sum is 31.

The spelling of 3205335320131 in words is "three trillion, two hundred five billion, three hundred thirty-five million, three hundred twenty thousand, one hundred thirty-one".