131122330 has 8 divisors (see below), whose sum is σ = 236020212. Its totient is φ = 52448928.

The previous prime is 131122297. The next prime is 131122337. The reversal of 131122330 is 33221131.

It can be written as a sum of positive squares in 2 ways, for example, as 129527161 + 1595169 = 11381^2 + 1263^2 .

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

It is not an unprimeable number, because it can be changed into a prime (131122337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6556107 + ... + 6556126.

Almost surely, 2^131122330 is an apocalyptic number.

131122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131122330 is a deficient number, since it is larger than the sum of its proper divisors (104897882).

131122330 is a wasteful number, since it uses less digits than its factorization.

131122330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13112240.

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

The square root of 131122330 is about 11450.8659061226. The cubic root of 131122330 is about 508.0333461277.

Adding to 131122330 its reverse (33221131), we get a palindrome (164343461).

The spelling of 131122330 in words is "one hundred thirty-one million, one hundred twenty-two thousand, three hundred thirty".