131423322 has 32 divisors (see below), whose sum is σ = 273014784. Its totient is φ = 42130800.

The previous prime is 131423317. The next prime is 131423333. The reversal of 131423322 is 223324131.

131423322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 28947 + ... + 33177.

It is an arithmetic number, because the mean of its divisors is an integer number (8531712).

Almost surely, 2^131423322 is an apocalyptic number.

131423322 is an abundant number, since it is smaller than the sum of its proper divisors (141591462).

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

131423322 is a wasteful number, since it uses less digits than its factorization.

131423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434.

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

The square root of 131423322 is about 11464.0011339846. The cubic root of 131423322 is about 508.4217801368.

Adding to 131423322 its reverse (223324131), we get a palindrome (354747453).

The spelling of 131423322 in words is "one hundred thirty-one million, four hundred twenty-three thousand, three hundred twenty-two".