33131120230100 has 36 divisors (see below), whose sum is σ = 76123620956124. Its totient is φ = 12472892321280.

The previous prime is 33131120230081. The next prime is 33131120230123. The reversal of 33131120230100 is 103202113133.

It can be written as a sum of positive squares in 6 ways, for example, as 390797519044 + 32740322711056 = 625138^2 + 5721916^2 .

It is a super-2 number, since 2×33131120230100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9744445427 + ... + 9744448826.

It is an arithmetic number, because the mean of its divisors is an integer number (2114545026559).

Almost surely, 2^{33131120230100} is an apocalyptic number.

It is an amenable number.

33131120230100 is an abundant number, since it is smaller than the sum of its proper divisors (42992500726024).

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

33131120230100 is a wasteful number, since it uses less digits than its factorization.

33131120230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19488894284 (or 19488894277 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33131120230100 its reverse (103202113133), we get a palindrome (33234322343233).

The spelling of 33131120230100 in words is "thirty-three trillion, one hundred thirty-one billion, one hundred twenty million, two hundred thirty thousand, one hundred".