213143000 has 64 divisors (see below), whose sum is σ = 570024000. Its totient is φ = 73075200.

The previous prime is 213142999. The next prime is 213143023. The reversal of 213143000 is 341312.

213143000 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8225 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (8906625).

Almost surely, 2^213143000 is an apocalyptic number.

213143000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213143000 is an abundant number, since it is smaller than the sum of its proper divisors (356881000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213143000 is a wasteful number, since it uses less digits than its factorization.

213143000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30477 (or 30463 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213143000 is about 14599.4177966109. The cubic root of 213143000 is about 597.3428798542.

Adding to 213143000 its reverse (341312), we get a palindrome (213484312).

The spelling of 213143000 in words is "two hundred thirteen million, one hundred forty-three thousand".