131310022 has 4 divisors (see below), whose sum is σ = 196965036. Its totient is φ = 65655010.

The previous prime is 131309993. The next prime is 131310043. The reversal of 131310022 is 220013131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220013131 = 13 ⋅16924087.

It is a junction number, because it is equal to n+sod(n) for n = 131309984 and 131310011.

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, 32827504 + ... + 32827507.

It is an arithmetic number, because the mean of its divisors is an integer number (49241259).

Almost surely, 2^131310022 is an apocalyptic number.

131310022 is a deficient number, since it is larger than the sum of its proper divisors (65655014).

131310022 is an equidigital number, since it uses as much as digits as its factorization.

131310022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65655013.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131310022 is about 11459.0585128099. The cubic root of 131310022 is about 508.2756347184.

Adding to 131310022 its reverse (220013131), we get a palindrome (351323153).

The spelling of 131310022 in words is "one hundred thirty-one million, three hundred ten thousand, twenty-two".