131021312133322 has 8 divisors (see below), whose sum is σ = 211649811907716. Its totient is φ = 60471374830752.

The previous prime is 131021312133307. The next prime is 131021312133419. The reversal of 131021312133322 is 223331213120131.

It can be written as a sum of positive squares in 2 ways, for example, as 125769473660601 + 5251838472721 = 11214699^2 + 2291689^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519640617923 + ... + 2519640617974.

Almost surely, 2^{131021312133322} is an apocalyptic number.

131021312133322 is a deficient number, since it is larger than the sum of its proper divisors (80628499774394).

131021312133322 is a wasteful number, since it uses less digits than its factorization.

131021312133322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039281235912.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131021312133322 its reverse (223331213120131), we get a palindrome (354352525253453).

The spelling of 131021312133322 in words is "one hundred thirty-one trillion, twenty-one billion, three hundred twelve million, one hundred thirty-three thousand, three hundred twenty-two".