30320121131 has 4 divisors (see below), whose sum is σ = 31915917000. Its totient is φ = 28724325264.

The previous prime is 30320121103. The next prime is 30320121133. The reversal of 30320121131 is 13112102303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13112102303 = 593 ⋅22111471.

It is a cyclic number.

It is not a de Polignac number, because 30320121131 - 2⁶ = 30320121067 is a prime.

It is a super-2 number, since 2×30320121131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320121133) 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, 797897906 + ... + 797897943.

It is an arithmetic number, because the mean of its divisors is an integer number (7978979250).

Almost surely, 2^30320121131 is an apocalyptic number.

30320121131 is a deficient number, since it is larger than the sum of its proper divisors (1595795869).

30320121131 is a wasteful number, since it uses less digits than its factorization.

30320121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595795868.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30320121131 its reverse (13112102303), we get a palindrome (43432223434).

The spelling of 30320121131 in words is "thirty billion, three hundred twenty million, one hundred twenty-one thousand, one hundred thirty-one".