20130331302111 has 8 divisors (see below), whose sum is σ = 26848805862960. Its totient is φ = 13416038804672.

The previous prime is 20130331302023. The next prime is 20130331302127. The reversal of 20130331302111 is 11120313303102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20130331302111 - 2⁹ = 20130331301599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130331302161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045504620 + ... + 1045523873.

It is an arithmetic number, because the mean of its divisors is an integer number (3356100732870).

Almost surely, 2^{20130331302111} is an apocalyptic number.

20130331302111 is a deficient number, since it is larger than the sum of its proper divisors (6718474560849).

20130331302111 is a wasteful number, since it uses less digits than its factorization.

20130331302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091031705.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 20130331302111 its reverse (11120313303102), we get a palindrome (31250644605213).

The spelling of 20130331302111 in words is "twenty trillion, one hundred thirty billion, three hundred thirty-one million, three hundred two thousand, one hundred eleven".