213042403143 has 12 divisors (see below), whose sum is σ = 307960883568. Its totient is φ = 141920745120.

The previous prime is 213042403081. The next prime is 213042403153. The reversal of 213042403143 is 341304240312.

213042403143 is a `hidden beast` number, since 2 + 1 + 304 + 2 + 40 + 314 + 3 = 666.

It is not a de Polignac number, because 213042403143 - 2²⁰ = 213041354567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213042403153) 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, 8947755 + ... + 8971532.

It is an arithmetic number, because the mean of its divisors is an integer number (25663406964).

Almost surely, 2^213042403143 is an apocalyptic number.

213042403143 is a deficient number, since it is larger than the sum of its proper divisors (94918480425).

213042403143 is a wasteful number, since it uses less digits than its factorization.

213042403143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17920614 (or 17920611 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213042403143 its reverse (341304240312), we get a palindrome (554346643455).

The spelling of 213042403143 in words is "two hundred thirteen billion, forty-two million, four hundred three thousand, one hundred forty-three".