30313220131 has 8 divisors (see below), whose sum is σ = 30695703840. Its totient is φ = 29931667392.

The previous prime is 30313220129. The next prime is 30313220159. The reversal of 30313220131 is 13102231303.

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 30313220131 - 2¹ = 30313220129 is a prime.

It is a super-2 number, since 2×30313220131² (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 = 30313220099 and 30313220108.

It is not an unprimeable number, because it can be changed into a prime (30313220111) 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, 167095 + ... + 297568.

It is an arithmetic number, because the mean of its divisors is an integer number (3836962980).

Almost surely, 2^30313220131 is an apocalyptic number.

30313220131 is a deficient number, since it is larger than the sum of its proper divisors (382483709).

30313220131 is an equidigital number, since it uses as much as digits as its factorization.

30313220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465485.

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

Adding to 30313220131 its reverse (13102231303), we get a palindrome (43415451434).

The spelling of 30313220131 in words is "thirty billion, three hundred thirteen million, two hundred twenty thousand, one hundred thirty-one".