131123297 has 16 divisors (see below), whose sum is σ = 140849280. Its totient is φ = 121833600.

The previous prime is 131123269. The next prime is 131123323. The reversal of 131123297 is 792321131.

It is a cyclic number.

It is not a de Polignac number, because 131123297 - 2²⁴ = 114346081 is a prime.

It is a super-3 number, since 3×131123297³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131122297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87797 + ... + 89277.

It is an arithmetic number, because the mean of its divisors is an integer number (8803080).

Almost surely, 2^131123297 is an apocalyptic number.

It is an amenable number.

131123297 is a deficient number, since it is larger than the sum of its proper divisors (9725983).

131123297 is a wasteful number, since it uses less digits than its factorization.

131123297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624.

The product of its digits is 2268, while the sum is 29.

The square root of 131123297 is about 11450.9081299258. The cubic root of 131123297 is about 508.0345950049.

The spelling of 131123297 in words is "one hundred thirty-one million, one hundred twenty-three thousand, two hundred ninety-seven".