321140243425 has 48 divisors (see below), whose sum is σ = 422293060800. Its totient is φ = 241584940800.

The previous prime is 321140243399. The next prime is 321140243461. The reversal of 321140243425 is 524342041123.

It is not a de Polignac number, because 321140243425 - 2⁵ = 321140243393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38983407 + ... + 38991643.

It is an arithmetic number, because the mean of its divisors is an integer number (8797772100).

Almost surely, 2^321140243425 is an apocalyptic number.

It is an amenable number.

321140243425 is a deficient number, since it is larger than the sum of its proper divisors (101152817375).

321140243425 is a wasteful number, since it uses less digits than its factorization.

321140243425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866 (or 8861 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 321140243425 its reverse (524342041123), we get a palindrome (845482284548).

The spelling of 321140243425 in words is "three hundred twenty-one billion, one hundred forty million, two hundred forty-three thousand, four hundred twenty-five".