131403311244122 has 8 divisors (see below), whose sum is σ = 197115880212372. Its totient is φ = 65698017840000.

The previous prime is 131403311244061. The next prime is 131403311244137. The reversal of 131403311244122 is 221442113304131.

It can be written as a sum of positive squares in 2 ways, for example, as 130805861087521 + 597450156601 = 11437039^2 + 772949^2 .

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, 1818845879 + ... + 1818918122.

Almost surely, 2^{131403311244122} is an apocalyptic number.

131403311244122 is a deficient number, since it is larger than the sum of its proper divisors (65712568968250).

131403311244122 is a wasteful number, since it uses less digits than its factorization.

131403311244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637782064.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131403311244122 its reverse (221442113304131), we get a palindrome (352845424548253).

The spelling of 131403311244122 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-four thousand, one hundred twenty-two".