213101690338 has 4 divisors (see below), whose sum is σ = 319652535510. Its totient is φ = 106550845168.

The previous prime is 213101690317. The next prime is 213101690359. The reversal of 213101690338 is 833096101312.

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

It is an interprime number because it is at equal distance from previous prime (213101690317) and next prime (213101690359).

It can be written as a sum of positive squares in only one way, i.e., 208343863809 + 4757826529 = 456447^2 + 68977^2 .

It is a super-3 number, since 3×213101690338³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213101690297 and 213101690306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53275422583 + ... + 53275422586.

Almost surely, 2^213101690338 is an apocalyptic number.

213101690338 is a deficient number, since it is larger than the sum of its proper divisors (106550845172).

213101690338 is a wasteful number, since it uses less digits than its factorization.

213101690338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106550845171.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 213101690338 in words is "two hundred thirteen billion, one hundred one million, six hundred ninety thousand, three hundred thirty-eight".