131201011322 has 8 divisors (see below), whose sum is σ = 196803261876. Its totient is φ = 65599924032.

The previous prime is 131201011321. The next prime is 131201011339. The reversal of 131201011322 is 223110102131.

It can be written as a sum of positive squares in 2 ways, for example, as 126829289161 + 4371722161 = 356131^2 + 66119^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 131201011322.

It is not an unprimeable number, because it can be changed into a prime (131201011321) 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, 91868 + ... + 520424.

Almost surely, 2^131201011322 is an apocalyptic number.

131201011322 is a deficient number, since it is larger than the sum of its proper divisors (65602250554).

131201011322 is a wasteful number, since it uses less digits than its factorization.

131201011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581632.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131201011322 its reverse (223110102131), we get a palindrome (354311113453).

The spelling of 131201011322 in words is "one hundred thirty-one billion, two hundred one million, eleven thousand, three hundred twenty-two".