321303011131 has 8 divisors (see below), whose sum is σ = 323140456080. Its totient is φ = 319466038272.

The previous prime is 321303011111. The next prime is 321303011137. The reversal of 321303011131 is 131110303123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321303011131 is a prime.

It is a super-2 number, since 2×321303011131² (a number of 24 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 = 321303011099 and 321303011108.

It is not an unprimeable number, because it can be changed into a prime (321303011137) 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, 1295271 + ... + 1523263.

It is an arithmetic number, because the mean of its divisors is an integer number (40392557010).

Almost surely, 2^321303011131 is an apocalyptic number.

321303011131 is a deficient number, since it is larger than the sum of its proper divisors (1837444949).

321303011131 is a wasteful number, since it uses less digits than its factorization.

321303011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236045.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 321303011131 its reverse (131110303123), we get a palindrome (452413314254).

The spelling of 321303011131 in words is "three hundred twenty-one billion, three hundred three million, eleven thousand, one hundred thirty-one".