211452342 has 64 divisors (see below), whose sum is σ = 447897600. Its totient is φ = 66486560.

The previous prime is 211452323. The next prime is 211452347. The reversal of 211452342 is 243254112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211452347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1181209 + ... + 1181387.

It is an arithmetic number, because the mean of its divisors is an integer number (6998400).

Almost surely, 2^211452342 is an apocalyptic number.

211452342 is an abundant number, since it is smaller than the sum of its proper divisors (236445258).

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

211452342 is a wasteful number, since it uses less digits than its factorization.

211452342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 1920, while the sum is 24.

The square root of 211452342 is about 14541.4009641437. The cubic root of 211452342 is about 595.7593036600.

The spelling of 211452342 in words is "two hundred eleven million, four hundred fifty-two thousand, three hundred forty-two".