131402313 has 48 divisors (see below), whose sum is σ = 222258816. Its totient is φ = 73267200.

The previous prime is 131402291. The next prime is 131402351. The reversal of 131402313 is 313204131.

It is not a de Polignac number, because 131402313 - 2¹⁰ = 131401289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131402213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 680745 + ... + 680937.

It is an arithmetic number, because the mean of its divisors is an integer number (4630392).

Almost surely, 2^131402313 is an apocalyptic number.

It is an amenable number.

131402313 is a deficient number, since it is larger than the sum of its proper divisors (90856503).

131402313 is a wasteful number, since it uses less digits than its factorization.

131402313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 411 counting only the distinct ones).

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

The square root of 131402313 is about 11463.0847942428. The cubic root of 131402313 is about 508.3946870196.

Adding to 131402313 its reverse (313204131), we get a palindrome (444606444).

The spelling of 131402313 in words is "one hundred thirty-one million, four hundred two thousand, three hundred thirteen".