131245351 has 8 divisors (see below), whose sum is σ = 135679104. Its totient is φ = 126824160.

The previous prime is 131245277. The next prime is 131245393. The reversal of 131245351 is 153542131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131245351 - 2¹³ = 131237159 is a prime.

It is a super-3 number, since 3×131245351³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131245651) 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, 21225 + ... + 26701.

It is an arithmetic number, because the mean of its divisors is an integer number (16959888).

Almost surely, 2^131245351 is an apocalyptic number.

131245351 is a deficient number, since it is larger than the sum of its proper divisors (4433753).

131245351 is an equidigital number, since it uses as much as digits as its factorization.

131245351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281.

The product of its digits is 1800, while the sum is 25.

The square root of 131245351 is about 11456.2363365985. The cubic root of 131245351 is about 508.1921780488.

Adding to 131245351 its reverse (153542131), we get a palindrome (284787482).

The spelling of 131245351 in words is "one hundred thirty-one million, two hundred forty-five thousand, three hundred fifty-one".