33130313430 has 128 divisors (see below), whose sum is σ = 85370416128. Its totient is φ = 8209631232.

The previous prime is 33130313369. The next prime is 33130313479. The reversal of 33130313430 is 3431303133.

It is a self number, because there is not a number n which added to its sum of digits gives 33130313430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3369882 + ... + 3379698.

It is an arithmetic number, because the mean of its divisors is an integer number (666956376).

Almost surely, 2^33130313430 is an apocalyptic number.

33130313430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33130313430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42685208064).

33130313430 is an abundant number, since it is smaller than the sum of its proper divisors (52240102698).

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

33130313430 is a wasteful number, since it uses less digits than its factorization.

33130313430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 33130313430 its reverse (3431303133), we get a palindrome (36561616563).

The spelling of 33130313430 in words is "thirty-three billion, one hundred thirty million, three hundred thirteen thousand, four hundred thirty".