213133130402 has 8 divisors (see below), whose sum is σ = 320001018012. Its totient is φ = 106466124400.

The previous prime is 213133130387. The next prime is 213133130417. The reversal of 213133130402 is 204031331312.

It is an interprime number because it is at equal distance from previous prime (213133130387) and next prime (213133130417).

It can be written as a sum of positive squares in 2 ways, for example, as 193187499961 + 19945630441 = 439531^2 + 141229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50217749 + ... + 50221992.

Almost surely, 2^213133130402 is an apocalyptic number.

213133130402 is a deficient number, since it is larger than the sum of its proper divisors (106867887610).

213133130402 is a wasteful number, since it uses less digits than its factorization.

213133130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100440804.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213133130402 its reverse (204031331312), we get a palindrome (417164461714).

The spelling of 213133130402 in words is "two hundred thirteen billion, one hundred thirty-three million, one hundred thirty thousand, four hundred two".