131551322 has 16 divisors (see below), whose sum is σ = 225677760. Its totient is φ = 56338848.

The previous prime is 131551313. The next prime is 131551327. The reversal of 131551322 is 223155131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131551327) 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, 25454 + ... + 30182.

It is an arithmetic number, because the mean of its divisors is an integer number (14104860).

Almost surely, 2^131551322 is an apocalyptic number.

131551322 is a deficient number, since it is larger than the sum of its proper divisors (94126438).

131551322 is a wasteful number, since it uses less digits than its factorization.

131551322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725.

The product of its digits is 900, while the sum is 23.

The square root of 131551322 is about 11469.5824684249. The cubic root of 131551322 is about 508.5867860396.

The spelling of 131551322 in words is "one hundred thirty-one million, five hundred fifty-one thousand, three hundred twenty-two".