131430322 has 8 divisors (see below), whose sum is σ = 197343900. Its totient is φ = 65649024.

The previous prime is 131430319. The next prime is 131430371. The reversal of 131430322 is 223034131.

It can be written as a sum of positive squares in 2 ways, for example, as 116445681 + 14984641 = 10791^2 + 3871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 131430322.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30547 + ... + 34582.

Almost surely, 2^131430322 is an apocalyptic number.

131430322 is a deficient number, since it is larger than the sum of its proper divisors (65913578).

131430322 is a wasteful number, since it uses less digits than its factorization.

131430322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66140.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131430322 is about 11464.3064334481. The cubic root of 131430322 is about 508.4308066658.

Adding to 131430322 its reverse (223034131), we get a palindrome (354464453).

The spelling of 131430322 in words is "one hundred thirty-one million, four hundred thirty thousand, three hundred twenty-two".