131199315 has 16 divisors (see below), whose sum is σ = 226066848. Its totient is φ = 64590336.

The previous prime is 131199311. The next prime is 131199317. The reversal of 131199315 is 513991131.

It is not a de Polignac number, because 131199315 - 2² = 131199311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131199311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336214 + ... + 336603.

It is an arithmetic number, because the mean of its divisors is an integer number (14129178).

Almost surely, 2^131199315 is an apocalyptic number.

131199315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131199315 is a deficient number, since it is larger than the sum of its proper divisors (94867533).

131199315 is a wasteful number, since it uses less digits than its factorization.

131199315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672838.

The product of its digits is 3645, while the sum is 33.

The square root of 131199315 is about 11454.2269490350. The cubic root of 131199315 is about 508.1327527794.

The spelling of 131199315 in words is "one hundred thirty-one million, one hundred ninety-nine thousand, three hundred fifteen".