131042331 has 24 divisors (see below), whose sum is σ = 217211904. Its totient is φ = 74574000.

The previous prime is 131042299. The next prime is 131042347. The reversal of 131042331 is 133240131.

It is not a de Polignac number, because 131042331 - 2⁵ = 131042299 is a prime.

It is a super-2 number, since 2×131042331² = 34344185027827122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131042231) 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, 11670 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (9050496).

Almost surely, 2^131042331 is an apocalyptic number.

131042331 is a deficient number, since it is larger than the sum of its proper divisors (86169573).

131042331 is a wasteful number, since it uses less digits than its factorization.

131042331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131042331 is about 11447.3722312153. The cubic root of 131042331 is about 507.9300064249.

Adding to 131042331 its reverse (133240131), we get a palindrome (264282462).

The spelling of 131042331 in words is "one hundred thirty-one million, forty-two thousand, three hundred thirty-one".