131232234 has 16 divisors (see below), whose sum is σ = 299959488. Its totient is φ = 37494912.

The previous prime is 131232209. The next prime is 131232251. The reversal of 131232234 is 432232131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 131232234.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562247 + ... + 1562330.

It is an arithmetic number, because the mean of its divisors is an integer number (18747468).

Almost surely, 2^131232234 is an apocalyptic number.

131232234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131232234 is an abundant number, since it is smaller than the sum of its proper divisors (168727254).

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

131232234 is a wasteful number, since it uses less digits than its factorization.

131232234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124589.

The product of its digits is 864, while the sum is 21.

The square root of 131232234 is about 11455.6638393417. The cubic root of 131232234 is about 508.1752474709.

Adding to 131232234 its reverse (432232131), we get a palindrome (563464365).

The spelling of 131232234 in words is "one hundred thirty-one million, two hundred thirty-two thousand, two hundred thirty-four".