213002010331 has 4 divisors (see below), whose sum is σ = 232365829464. Its totient is φ = 193638191200.

The previous prime is 213002010301. The next prime is 213002010427. The reversal of 213002010331 is 133010200312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213002010331 is a prime.

It is a super-2 number, since 2×213002010331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213002010301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9681909550 + ... + 9681909571.

It is an arithmetic number, because the mean of its divisors is an integer number (58091457366).

Almost surely, 2^213002010331 is an apocalyptic number.

213002010331 is a deficient number, since it is larger than the sum of its proper divisors (19363819133).

213002010331 is a wasteful number, since it uses less digits than its factorization.

213002010331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363819132.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 213002010331 its reverse (133010200312), we get a palindrome (346012210643).

The spelling of 213002010331 in words is "two hundred thirteen billion, two million, ten thousand, three hundred thirty-one".