33121310230030 has 32 divisors (see below), whose sum is σ = 65038827136608. Its totient is φ = 12043998374400.

The previous prime is 33121310229919. The next prime is 33121310230031. The reversal of 33121310230030 is 3003201312133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 33121310229983 and 33121310230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33121310230031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10661890 + ... + 13413370.

It is an arithmetic number, because the mean of its divisors is an integer number (2032463348019).

Almost surely, 2^{33121310230030} is an apocalyptic number.

33121310230030 is a deficient number, since it is larger than the sum of its proper divisors (31917516906578).

33121310230030 is a wasteful number, since it uses less digits than its factorization.

33121310230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860932.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 33121310230030 its reverse (3003201312133), we get a palindrome (36124511542163).

The spelling of 33121310230030 in words is "thirty-three trillion, one hundred twenty-one billion, three hundred ten million, two hundred thirty thousand, thirty".