30321203131 has 8 divisors (see below), whose sum is σ = 31053441104. Its totient is φ = 29597529600.

The previous prime is 30321203069. The next prime is 30321203147. The reversal of 30321203131 is 13130212303.

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 30321203131 - 2¹¹ = 30321201083 is a prime.

It is a super-2 number, since 2×30321203131² (a number of 22 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 = 30321203099 and 30321203108.

It is not an unprimeable number, because it can be changed into a prime (30321200131) 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, 2133945 + ... + 2148106.

It is an arithmetic number, because the mean of its divisors is an integer number (3881680138).

Almost surely, 2^30321203131 is an apocalyptic number.

30321203131 is a deficient number, since it is larger than the sum of its proper divisors (732237973).

30321203131 is an equidigital number, since it uses as much as digits as its factorization.

30321203131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282221.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30321203131 its reverse (13130212303), we get a palindrome (43451415434).

The spelling of 30321203131 in words is "thirty billion, three hundred twenty-one million, two hundred three thousand, one hundred thirty-one".