31133120030 has 8 divisors (see below), whose sum is σ = 56039616072. Its totient is φ = 12453248008.

The previous prime is 31133120009. The next prime is 31133120041. The reversal of 31133120030 is 3002133113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31133119990 and 31133120008.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556655992 + ... + 1556656011.

It is an arithmetic number, because the mean of its divisors is an integer number (7004952009).

Almost surely, 2^31133120030 is an apocalyptic number.

31133120030 is a deficient number, since it is larger than the sum of its proper divisors (24906496042).

31133120030 is a wasteful number, since it uses less digits than its factorization.

31133120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113312010.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 31133120030 its reverse (3002133113), we get a palindrome (34135253143).

The spelling of 31133120030 in words is "thirty-one billion, one hundred thirty-three million, one hundred twenty thousand, thirty".