131123325 has 24 divisors (see below), whose sum is σ = 220887648. Its totient is φ = 68610880.

The previous prime is 131123323. The next prime is 131123327. The reversal of 131123325 is 523321131.

It is an interprime number because it is at equal distance from previous prime (131123323) and next prime (131123327).

It is not a de Polignac number, because 131123325 - 2¹ = 131123323 is a prime.

It is a super-3 number, since 3×131123325³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12519 + ... + 20468.

It is an arithmetic number, because the mean of its divisors is an integer number (9203652).

Almost surely, 2^131123325 is an apocalyptic number.

131123325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131123325 is a deficient number, since it is larger than the sum of its proper divisors (89764323).

131123325 is a wasteful number, since it uses less digits than its factorization.

131123325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33053 (or 33048 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 131123325 is about 11450.9093525362. The cubic root of 131123325 is about 508.0346311667.

Adding to 131123325 its reverse (523321131), we get a palindrome (654444456).

The spelling of 131123325 in words is "one hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty-five".