131213330 has 16 divisors (see below), whose sum is σ = 237086784. Its totient is φ = 52284720.

The previous prime is 131213317. The next prime is 131213333. The reversal of 131213330 is 33312131.

It is a junction number, because it is equal to n+sod(n) for n = 131213299 and 131213308.

It is not an unprimeable number, because it can be changed into a prime (131213333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22316 + ... + 27575.

It is an arithmetic number, because the mean of its divisors is an integer number (14817924).

Almost surely, 2^131213330 is an apocalyptic number.

131213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131213330 is a deficient number, since it is larger than the sum of its proper divisors (105873454).

131213330 is a wasteful number, since it uses less digits than its factorization.

131213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50161.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131213330 is about 11454.8387155822. The cubic root of 131213330 is about 508.1508454220.

Adding to 131213330 its reverse (33312131), we get a palindrome (164525461).

The spelling of 131213330 in words is "one hundred thirty-one million, two hundred thirteen thousand, three hundred thirty".