30233131131 has 16 divisors (see below), whose sum is σ = 46071984384. Its totient is φ = 17275155744.

The previous prime is 30233131099. The next prime is 30233131133. The reversal of 30233131131 is 13113133203.

It is not a de Polignac number, because 30233131131 - 2⁵ = 30233131099 is a prime.

It is a super-2 number, since 2×30233131131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30233131098 and 30233131107.

It is not an unprimeable number, because it can be changed into a prime (30233131133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 672985 + ... + 716501.

It is an arithmetic number, because the mean of its divisors is an integer number (2879499024).

Almost surely, 2^30233131131 is an apocalyptic number.

30233131131 is a deficient number, since it is larger than the sum of its proper divisors (15838853253).

30233131131 is a wasteful number, since it uses less digits than its factorization.

30233131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76610.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30233131131 its reverse (13113133203), we get a palindrome (43346264334).

The spelling of 30233131131 in words is "thirty billion, two hundred thirty-three million, one hundred thirty-one thousand, one hundred thirty-one".