213000433191 has 64 divisors (see below), whose sum is σ = 389034455040. Its totient is φ = 112161646080.

The previous prime is 213000433189. The next prime is 213000433211. The reversal of 213000433191 is 191334000312.

213000433191 is a `hidden beast` number, since 2 + 1 + 300 + 0 + 43 + 319 + 1 = 666.

It is not a de Polignac number, because 213000433191 - 2¹ = 213000433189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000432191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1383906 + ... + 1530096.

It is an arithmetic number, because the mean of its divisors is an integer number (6078663360).

Almost surely, 2^213000433191 is an apocalyptic number.

213000433191 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213000433191 is a deficient number, since it is larger than the sum of its proper divisors (176034021849).

213000433191 is a wasteful number, since it uses less digits than its factorization.

213000433191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146813 (or 146807 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 213000433191 in words is "two hundred thirteen billion, four hundred thirty-three thousand, one hundred ninety-one".