213303020133 has 16 divisors (see below), whose sum is σ = 325039625856. Its totient is φ = 121885020480.

The previous prime is 213303020107. The next prime is 213303020159. The reversal of 213303020133 is 331020303312.

It is an interprime number because it is at equal distance from previous prime (213303020107) and next prime (213303020159).

It is not a de Polignac number, because 213303020133 - 2¹⁷ = 213302889061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213303020033) 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, 2010763 + ... + 2114183.

It is an arithmetic number, because the mean of its divisors is an integer number (20314976616).

Almost surely, 2^213303020133 is an apocalyptic number.

It is an amenable number.

213303020133 is a deficient number, since it is larger than the sum of its proper divisors (111736605723).

213303020133 is a wasteful number, since it uses less digits than its factorization.

213303020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201644.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 213303020133 its reverse (331020303312), we get a palindrome (544323323445).

The spelling of 213303020133 in words is "two hundred thirteen billion, three hundred three million, twenty thousand, one hundred thirty-three".