131422307 has 8 divisors (see below), whose sum is σ = 132210912. Its totient is φ = 130636800.

The previous prime is 131422301. The next prime is 131422363. The reversal of 131422307 is 703224131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131422307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131422301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204707 + ... + 205347.

It is an arithmetic number, because the mean of its divisors is an integer number (16526364).

Almost surely, 2^131422307 is an apocalyptic number.

131422307 is a deficient number, since it is larger than the sum of its proper divisors (788605).

131422307 is an equidigital number, since it uses as much as digits as its factorization.

131422307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 131422307 is about 11463.9568648874. The cubic root of 131422307 is about 508.4204712635.

Adding to 131422307 its reverse (703224131), we get a palindrome (834646438).

The spelling of 131422307 in words is "one hundred thirty-one million, four hundred twenty-two thousand, three hundred seven".