31133033130 has 32 divisors (see below), whose sum is σ = 79114532544. Its totient is φ = 7813780736.

The previous prime is 31133033101. The next prime is 31133033149. The reversal of 31133033130 is 3133033113.

It is a junction number, because it is equal to n+sod(n) for n = 31133033097 and 31133033106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30522072 + ... + 30523091.

It is an arithmetic number, because the mean of its divisors is an integer number (2472329142).

Almost surely, 2^31133033130 is an apocalyptic number.

31133033130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31133033130 is an abundant number, since it is smaller than the sum of its proper divisors (47981499414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31133033130 is a wasteful number, since it uses less digits than its factorization.

31133033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61045190.

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

Adding to 31133033130 its reverse (3133033113), we get a palindrome (34266066243).

The spelling of 31133033130 in words is "thirty-one billion, one hundred thirty-three million, thirty-three thousand, one hundred thirty".