131311143322 has 4 divisors (see below), whose sum is σ = 196966714986. Its totient is φ = 65655571660.

The previous prime is 131311143281. The next prime is 131311143347. The reversal of 131311143322 is 223341113131.

131311143322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 97844465601 + 33466677721 = 312801^2 + 182939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32827785829 + ... + 32827785832.

Almost surely, 2^131311143322 is an apocalyptic number.

131311143322 is a deficient number, since it is larger than the sum of its proper divisors (65655571664).

131311143322 is an equidigital number, since it uses as much as digits as its factorization.

131311143322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65655571663.

The product of its digits is 1296, while the sum is 25.

Adding to 131311143322 its reverse (223341113131), we get a palindrome (354652256453).

The spelling of 131311143322 in words is "one hundred thirty-one billion, three hundred eleven million, one hundred forty-three thousand, three hundred twenty-two".