321300131 has 4 divisors (see below), whose sum is σ = 328136352. Its totient is φ = 314463912.

The previous prime is 321300121. The next prime is 321300137. The reversal of 321300131 is 131003123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131003123 = 3181 ⋅41183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321300131 is a prime.

It is a super-2 number, since 2×321300131² = 206467548361234322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321300137) 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, 3418040 + ... + 3418133.

It is an arithmetic number, because the mean of its divisors is an integer number (82034088).

Almost surely, 2^321300131 is an apocalyptic number.

321300131 is a deficient number, since it is larger than the sum of its proper divisors (6836221).

321300131 is an equidigital number, since it uses as much as digits as its factorization.

321300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836220.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 321300131 is about 17924.8467496936. The cubic root of 321300131 is about 684.9154572700.

Adding to 321300131 its reverse (131003123), we get a palindrome (452303254).

The spelling of 321300131 in words is "three hundred twenty-one million, three hundred thousand, one hundred thirty-one".