33000131211013 has 2 divisors, whose sum is σ = 33000131211014. Its totient is φ = 33000131211012.

The previous prime is 33000131211007. The next prime is 33000131211037. The reversal of 33000131211013 is 31011213100033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19210145511844 + 13789985699169 = 4382938^2 + 3713487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33000131211013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33000131217013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16500065605506 + 16500065605507.

It is an arithmetic number, because the mean of its divisors is an integer number (16500065605507).

Almost surely, 2^{33000131211013} is an apocalyptic number.

It is an amenable number.

33000131211013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33000131211013 is an equidigital number, since it uses as much as digits as its factorization.

33000131211013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 33000131211013 its reverse (31011213100033), we get a palindrome (64011344311046).

The spelling of 33000131211013 in words is "thirty-three trillion, one hundred thirty-one million, two hundred eleven thousand, thirteen".