321613351130451 has 8 divisors (see below), whose sum is σ = 428833520167824. Its totient is φ = 214401041423360.

The previous prime is 321613351130447. The next prime is 321613351130459. The reversal of 321613351130451 is 154031153316123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321613351130451 - 2² = 321613351130447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321613351130459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964737086 + ... + 1964900771.

It is an arithmetic number, because the mean of its divisors is an integer number (53604190020978).

Almost surely, 2^{321613351130451} is an apocalyptic number.

321613351130451 is a deficient number, since it is larger than the sum of its proper divisors (107220169037373).

321613351130451 is a wasteful number, since it uses less digits than its factorization.

321613351130451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929665141.

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 321613351130451 in words is "three hundred twenty-one trillion, six hundred thirteen billion, three hundred fifty-one million, one hundred thirty thousand, four hundred fifty-one".