131323042 has 8 divisors (see below), whose sum is σ = 197047836. Its totient is φ = 65640432.

The previous prime is 131323013. The next prime is 131323051. The reversal of 131323042 is 240323131.

It can be written as a sum of positive squares in 2 ways, for example, as 86285521 + 45037521 = 9289^2 + 6711^2 .

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, 1053 + ... + 16240.

Almost surely, 2^131323042 is an apocalyptic number.

131323042 is a deficient number, since it is larger than the sum of its proper divisors (65724794).

131323042 is a wasteful number, since it uses less digits than its factorization.

131323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21092.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 131323042 is about 11459.6266082277. The cubic root of 131323042 is about 508.2924334617.

Adding to 131323042 its reverse (240323131), we get a palindrome (371646173).

The spelling of 131323042 in words is "one hundred thirty-one million, three hundred twenty-three thousand, forty-two".