131131357 has 8 divisors (see below), whose sum is σ = 149947200. Its totient is φ = 112336224.

The previous prime is 131131337. The next prime is 131131361. The reversal of 131131357 is 753131131.

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

It is not a de Polignac number, because 131131357 - 2¹¹ = 131129309 is a prime.

It is a super-2 number, since 2×131131357² = 34390865577322898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131307) 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, 12369 + ... + 20377.

It is an arithmetic number, because the mean of its divisors is an integer number (18743400).

Almost surely, 2^131131357 is an apocalyptic number.

It is an amenable number.

131131357 is a deficient number, since it is larger than the sum of its proper divisors (18815843).

131131357 is an equidigital number, since it uses as much as digits as its factorization.

131131357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10355.

The product of its digits is 945, while the sum is 25.

The square root of 131131357 is about 11451.2600616701. The cubic root of 131131357 is about 508.0450042279.

Adding to 131131357 its reverse (753131131), we get a palindrome (884262488).

The spelling of 131131357 in words is "one hundred thirty-one million, one hundred thirty-one thousand, three hundred fifty-seven".