131333722 has 16 divisors (see below), whose sum is σ = 214714080. Its totient is φ = 59884272.

The previous prime is 131333717. The next prime is 131333729. The reversal of 131333722 is 227333131.

131333722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (131333729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28272 + ... + 32587.

It is an arithmetic number, because the mean of its divisors is an integer number (13419630).

Almost surely, 2^131333722 is an apocalyptic number.

131333722 is a deficient number, since it is larger than the sum of its proper divisors (83380358).

131333722 is a wasteful number, since it uses less digits than its factorization.

131333722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60957.

The product of its digits is 2268, while the sum is 25.

The square root of 131333722 is about 11460.0925825231. The cubic root of 131333722 is about 508.3062122471.

Adding to 131333722 its reverse (227333131), we get a palindrome (358666853).

The spelling of 131333722 in words is "one hundred thirty-one million, three hundred thirty-three thousand, seven hundred twenty-two".