211130323402 has 4 divisors (see below), whose sum is σ = 316695485106. Its totient is φ = 105565161700.

The previous prime is 211130323399. The next prime is 211130323433. The reversal of 211130323402 is 204323031112.

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

It can be written as a sum of positive squares in only one way, i.e., 190114312441 + 21016010961 = 436021^2 + 144969^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52782580849 + ... + 52782580852.

Almost surely, 2^211130323402 is an apocalyptic number.

211130323402 is a deficient number, since it is larger than the sum of its proper divisors (105565161704).

211130323402 is a wasteful number, since it uses less digits than its factorization.

211130323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105565161703.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 211130323402 its reverse (204323031112), we get a palindrome (415453354514).

The spelling of 211130323402 in words is "two hundred eleven billion, one hundred thirty million, three hundred twenty-three thousand, four hundred two".