3431525520321 has 6 divisors (see below), whose sum is σ = 4956647973810. Its totient is φ = 2287683680208.

The previous prime is 3431525520299. The next prime is 3431525520329. The reversal of 3431525520321 is 1230255251343.

3431525520321 is a `hidden beast` number, since 3 + 4 + 31 + 52 + 552 + 0 + 3 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2640101775921 + 791423744400 = 1624839^2 + 889620^2 .

It is not a de Polignac number, because 3431525520321 - 2⁹ = 3431525519809 is a prime.

It is a super-2 number, since 2×3431525520321² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3431525520329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190640306676 + ... + 190640306693.

It is an arithmetic number, because the mean of its divisors is an integer number (826107995635).

Almost surely, 2^{3431525520321} is an apocalyptic number.

It is an amenable number.

3431525520321 is a deficient number, since it is larger than the sum of its proper divisors (1525122453489).

3431525520321 is a wasteful number, since it uses less digits than its factorization.

3431525520321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381280613375 (or 381280613372 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 3431525520321 in words is "three trillion, four hundred thirty-one billion, five hundred twenty-five million, five hundred twenty thousand, three hundred twenty-one".