211130323403 has 16 divisors (see below), whose sum is σ = 224341382496. Its totient is φ = 198434396160.

The previous prime is 211130323399. The next prime is 211130323433. The reversal of 211130323403 is 304323031112.

It is a cyclic number.

It is not a de Polignac number, because 211130323403 - 2² = 211130323399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211130323433) 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, 691550 + ... + 948947.

It is an arithmetic number, because the mean of its divisors is an integer number (14021336406).

Almost surely, 2^211130323403 is an apocalyptic number.

211130323403 is a deficient number, since it is larger than the sum of its proper divisors (13211059093).

211130323403 is a wasteful number, since it uses less digits than its factorization.

211130323403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640654.

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

Adding to 211130323403 its reverse (304323031112), we get a palindrome (515453354515).

The spelling of 211130323403 in words is "two hundred eleven billion, one hundred thirty million, three hundred twenty-three thousand, four hundred three".