131221240032322 has 16 divisors (see below), whose sum is σ = 214764195344832. Its totient is φ = 59635315463920.

The previous prime is 131221240032317. The next prime is 131221240032361. The reversal of 131221240032322 is 223230042122131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535011238 + ... + 535256449.

It is an arithmetic number, because the mean of its divisors is an integer number (13422762209052).

Almost surely, 2^{131221240032322} is an apocalyptic number.

131221240032322 is a deficient number, since it is larger than the sum of its proper divisors (83542955312510).

131221240032322 is a wasteful number, since it uses less digits than its factorization.

131221240032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070273273.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 131221240032322 its reverse (223230042122131), we get a palindrome (354451282154453).

The spelling of 131221240032322 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, two hundred forty million, thirty-two thousand, three hundred twenty-two".