30133303131 has 32 divisors (see below), whose sum is σ = 43295523840. Its totient is φ = 18573451776.

The previous prime is 30133303127. The next prime is 30133303141. The reversal of 30133303131 is 13130333103.

It is not a de Polignac number, because 30133303131 - 2² = 30133303127 is a prime.

It is a super-2 number, since 2×30133303131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30133303098 and 30133303107.

It is not an unprimeable number, because it can be changed into a prime (30133303121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242025 + ... + 1266053.

It is an arithmetic number, because the mean of its divisors is an integer number (1352985120).

Almost surely, 2^30133303131 is an apocalyptic number.

30133303131 is a deficient number, since it is larger than the sum of its proper divisors (13162220709).

30133303131 is a wasteful number, since it uses less digits than its factorization.

30133303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24483.

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 30133303131 its reverse (13130333103), we get a palindrome (43263636234).

The spelling of 30133303131 in words is "thirty billion, one hundred thirty-three million, three hundred three thousand, one hundred thirty-one".