211143143403 has 12 divisors (see below), whose sum is σ = 305025756568. Its totient is φ = 140743072800.

The previous prime is 211143143401. The next prime is 211143143489. The reversal of 211143143403 is 304341341112.

211143143403 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 4 + 314 + 340 + 3 = 666.

It is not a de Polignac number, because 211143143403 - 2¹ = 211143143401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211143143401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1514773 + ... + 1648278.

Almost surely, 2^211143143403 is an apocalyptic number.

211143143403 is a deficient number, since it is larger than the sum of its proper divisors (93882613165).

211143143403 is a wasteful number, since it uses less digits than its factorization.

211143143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170474 (or 3170471 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 211143143403 its reverse (304341341112), we get a palindrome (515484484515).

The spelling of 211143143403 in words is "two hundred eleven billion, one hundred forty-three million, one hundred forty-three thousand, four hundred three".