131422903 has 4 divisors (see below), whose sum is σ = 139153680. Its totient is φ = 123692128.

The previous prime is 131422901. The next prime is 131422933. The reversal of 131422903 is 309224131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309224131 = 73 ⋅4235947.

It is a cyclic number.

It is not a de Polignac number, because 131422903 - 2¹ = 131422901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865363 + ... + 3865396.

It is an arithmetic number, because the mean of its divisors is an integer number (34788420).

Almost surely, 2^131422903 is an apocalyptic number.

131422903 is a deficient number, since it is larger than the sum of its proper divisors (7730777).

131422903 is an equidigital number, since it uses as much as digits as its factorization.

131422903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7730776.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 131422903 is about 11463.9828593731. The cubic root of 131422903 is about 508.4212398244.

The spelling of 131422903 in words is "one hundred thirty-one million, four hundred twenty-two thousand, nine hundred three".