131233275 has 36 divisors (see below), whose sum is σ = 237254160. Its totient is φ = 69336000.

The previous prime is 131233273. The next prime is 131233279. The reversal of 131233275 is 572332131.

It is not a de Polignac number, because 131233275 - 2¹ = 131233273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131233273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21850 + ... + 27200.

Almost surely, 2^131233275 is an apocalyptic number.

131233275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131233275 is a deficient number, since it is larger than the sum of its proper divisors (106020885).

131233275 is a wasteful number, since it uses less digits than its factorization.

131233275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476 (or 5468 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 131233275 is about 11455.7092752915. The cubic root of 131233275 is about 508.1765911678.

The spelling of 131233275 in words is "one hundred thirty-one million, two hundred thirty-three thousand, two hundred seventy-five".