131203315 has 16 divisors (see below), whose sum is σ = 165288960. Its totient is φ = 99848160.

The previous prime is 131203309. The next prime is 131203333. The reversal of 131203315 is 513302131.

It is not a de Polignac number, because 131203315 - 2³ = 131203307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131203292 and 131203301.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1972 + ... + 16318.

It is an arithmetic number, because the mean of its divisors is an integer number (10330560).

Almost surely, 2^131203315 is an apocalyptic number.

131203315 is a deficient number, since it is larger than the sum of its proper divisors (34085645).

131203315 is a wasteful number, since it uses less digits than its factorization.

131203315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14442.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 131203315 is about 11454.4015557339. The cubic root of 131203315 is about 508.1379167046.

Adding to 131203315 its reverse (513302131), we get a palindrome (644505446).

The spelling of 131203315 in words is "one hundred thirty-one million, two hundred three thousand, three hundred fifteen".