30310320112131 has 4 divisors (see below), whose sum is σ = 40413760149512. Its totient is φ = 20206880074752.

The previous prime is 30310320112129. The next prime is 30310320112159. The reversal of 30310320112131 is 13121102301303.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30310320112131 - 2¹ = 30310320112129 is a prime.

It is a super-2 number, since 2×30310320112131² (a number of 28 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 = 30310320112098 and 30310320112107.

It is not an unprimeable number, because it can be changed into a prime (30310320112181) 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, 5051720018686 + ... + 5051720018691.

It is an arithmetic number, because the mean of its divisors is an integer number (10103440037378).

Almost surely, 2^{30310320112131} is an apocalyptic number.

30310320112131 is a deficient number, since it is larger than the sum of its proper divisors (10103440037381).

30310320112131 is a wasteful number, since it uses less digits than its factorization.

30310320112131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103440037380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30310320112131 its reverse (13121102301303), we get a palindrome (43431422413434).

The spelling of 30310320112131 in words is "thirty trillion, three hundred ten billion, three hundred twenty million, one hundred twelve thousand, one hundred thirty-one".