131261322 has 32 divisors (see below), whose sum is σ = 274563072. Its totient is φ = 41755824.

The previous prime is 131261309. The next prime is 131261353. The reversal of 131261322 is 223162131.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82983 + ... + 84549.

It is an arithmetic number, because the mean of its divisors is an integer number (8580096).

Almost surely, 2^131261322 is an apocalyptic number.

131261322 is an abundant number, since it is smaller than the sum of its proper divisors (143301750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131261322 is a wasteful number, since it uses less digits than its factorization.

131261322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its digits is 432, while the sum is 21.

The square root of 131261322 is about 11456.9333593244. The cubic root of 131261322 is about 508.2127908629.

The spelling of 131261322 in words is "one hundred thirty-one million, two hundred sixty-one thousand, three hundred twenty-two".