131023514 has 4 divisors (see below), whose sum is σ = 196535274. Its totient is φ = 65511756.

The previous prime is 131023513. The next prime is 131023523. The reversal of 131023514 is 415320131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124434025 + 6589489 = 11155^2 + 2567^2 .

It is a super-3 number, since 3×131023514³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (131023511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32755877 + ... + 32755880.

Almost surely, 2^131023514 is an apocalyptic number.

131023514 is a deficient number, since it is larger than the sum of its proper divisors (65511760).

131023514 is an equidigital number, since it uses as much as digits as its factorization.

131023514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65511759.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 131023514 is about 11446.5503100279. The cubic root of 131023514 is about 507.9056932218.

Adding to 131023514 its reverse (415320131), we get a palindrome (546343645).

The spelling of 131023514 in words is "one hundred thirty-one million, twenty-three thousand, five hundred fourteen".