131243162 has 8 divisors (see below), whose sum is σ = 208445076. Its totient is φ = 61761472.

The previous prime is 131243159. The next prime is 131243171. The reversal of 131243162 is 261342131.

It can be written as a sum of positive squares in 2 ways, for example, as 101223721 + 30019441 = 10061^2 + 5479^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930013 + ... + 1930080.

Almost surely, 2^131243162 is an apocalyptic number.

131243162 is a deficient number, since it is larger than the sum of its proper divisors (77201914).

131243162 is a wasteful number, since it uses less digits than its factorization.

131243162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860112.

The product of its digits is 864, while the sum is 23.

The square root of 131243162 is about 11456.1407987158. The cubic root of 131243162 is about 508.1893527071.

Adding to 131243162 its reverse (261342131), we get a palindrome (392585293).

The spelling of 131243162 in words is "one hundred thirty-one million, two hundred forty-three thousand, one hundred sixty-two".