131303122 has 4 divisors (see below), whose sum is σ = 196954686. Its totient is φ = 65651560.

The previous prime is 131303119. The next prime is 131303147. The reversal of 131303122 is 221303131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221303131 = 7 ⋅31614733.

It can be written as a sum of positive squares in only one way, i.e., 100821681 + 30481441 = 10041^2 + 5521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131303096 and 131303105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32825779 + ... + 32825782.

Almost surely, 2^131303122 is an apocalyptic number.

131303122 is a deficient number, since it is larger than the sum of its proper divisors (65651564).

131303122 is an equidigital number, since it uses as much as digits as its factorization.

131303122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65651563.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131303122 is about 11458.7574369999. The cubic root of 131303122 is about 508.2667317084.

Adding to 131303122 its reverse (221303131), we get a palindrome (352606253).

Subtracting 131303122 from its reverse (221303131), we obtain a palindrome (90000009).

The spelling of 131303122 in words is "one hundred thirty-one million, three hundred three thousand, one hundred twenty-two".