131515330 has 16 divisors (see below), whose sum is σ = 244364544. Its totient is φ = 50909040.

The previous prime is 131515327. The next prime is 131515337. The reversal of 131515330 is 33515131.

It is not an unprimeable number, because it can be changed into a prime (131515337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211812 + ... + 212431.

It is an arithmetic number, because the mean of its divisors is an integer number (15272784).

Almost surely, 2^131515330 is an apocalyptic number.

131515330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131515330 is a deficient number, since it is larger than the sum of its proper divisors (112849214).

131515330 is a wasteful number, since it uses less digits than its factorization.

131515330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424281.

The product of its (nonzero) digits is 675, while the sum is 22.

The square root of 131515330 is about 11468.0133414642. The cubic root of 131515330 is about 508.5403992632.

It can be divided in two parts, 13151 and 5330, that added together give a palindrome (18481).

The spelling of 131515330 in words is "one hundred thirty-one million, five hundred fifteen thousand, three hundred thirty".