33013130947 has 2 divisors, whose sum is σ = 33013130948. Its totient is φ = 33013130946.

The previous prime is 33013130911. The next prime is 33013130989. The reversal of 33013130947 is 74903131033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33013130947 - 2²³ = 33004742339 is a prime.

It is not a weakly prime, because it can be changed into another prime (33013130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506565473 + 16506565474.

It is an arithmetic number, because the mean of its divisors is an integer number (16506565474).

Almost surely, 2^33013130947 is an apocalyptic number.

33013130947 is a deficient number, since it is larger than the sum of its proper divisors (1).

33013130947 is an equidigital number, since it uses as much as digits as its factorization.

33013130947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 34.

The spelling of 33013130947 in words is "thirty-three billion, thirteen million, one hundred thirty thousand, nine hundred forty-seven".