31130130033 has 48 divisors (see below), whose sum is σ = 48222720000. Its totient is φ = 20047519440.

The previous prime is 31130130013. The next prime is 31130130037. The reversal of 31130130033 is 33003103113.

31130130033 is a `hidden beast` number, since 31 + 1 + 301 + 300 + 33 = 666.

It is not a de Polignac number, because 31130130033 - 2⁶ = 31130129969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31130129988 and 31130130015.

It is not an unprimeable number, because it can be changed into a prime (31130130037) 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 47 ways as a sum of consecutive naturals, for example, 4508818 + ... + 4515716.

It is an arithmetic number, because the mean of its divisors is an integer number (1004640000).

Almost surely, 2^31130130033 is an apocalyptic number.

It is an amenable number.

31130130033 is a deficient number, since it is larger than the sum of its proper divisors (17092589967).

31130130033 is an equidigital number, since it uses as much as digits as its factorization.

31130130033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544 (or 7532 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 31130130033 its reverse (33003103113), we get a palindrome (64133233146).

The spelling of 31130130033 in words is "thirty-one billion, one hundred thirty million, one hundred thirty thousand, thirty-three".