131130422 has 4 divisors (see below), whose sum is σ = 196695636. Its totient is φ = 65565210.

The previous prime is 131130361. The next prime is 131130437. The reversal of 131130422 is 224031131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224031131 = 233 ⋅961507.

It is a self number, because there is not a number n which added to its sum of digits gives 131130422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32782604 + ... + 32782607.

It is an arithmetic number, because the mean of its divisors is an integer number (49173909).

Almost surely, 2^131130422 is an apocalyptic number.

131130422 is a deficient number, since it is larger than the sum of its proper divisors (65565214).

131130422 is an equidigital number, since it uses as much as digits as its factorization.

131130422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65565213.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131130422 is about 11451.2192363957. The cubic root of 131130422 is about 508.0437967283.

Adding to 131130422 its reverse (224031131), we get a palindrome (355161553).

The spelling of 131130422 in words is "one hundred thirty-one million, one hundred thirty thousand, four hundred twenty-two".