131071722 has 8 divisors (see below), whose sum is σ = 262143456. Its totient is φ = 43690572.

The previous prime is 131071679. The next prime is 131071727. The reversal of 131071722 is 227170131.

It is a sphenic number, since it is the product of 3 distinct primes.

131071722 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 131071692 and 131071701.

It is not an unprimeable number, because it can be changed into a prime (131071727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10922638 + ... + 10922649.

It is an arithmetic number, because the mean of its divisors is an integer number (32767932).

Almost surely, 2^131071722 is an apocalyptic number.

131071722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131071722 is a wasteful number, since it uses less digits than its factorization.

131071722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21845292.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 131071722 is about 11448.6559036421. The cubic root of 131071722 is about 507.9679775008.

The spelling of 131071722 in words is "one hundred thirty-one million, seventy-one thousand, seven hundred twenty-two".