131222123103 has 8 divisors (see below), whose sum is σ = 180606793216. Its totient is φ = 84659434200.

The previous prime is 131222123099. The next prime is 131222123141. The reversal of 131222123103 is 301321222131.

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

It is not a de Polignac number, because 131222123103 - 2² = 131222123099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131222123103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222123303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705495193 + ... + 705495378.

It is an arithmetic number, because the mean of its divisors is an integer number (22575849152).

Almost surely, 2^131222123103 is an apocalyptic number.

131222123103 is a deficient number, since it is larger than the sum of its proper divisors (49384670113).

131222123103 is a wasteful number, since it uses less digits than its factorization.

131222123103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410990605.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131222123103 its reverse (301321222131), we get a palindrome (432543345234).

The spelling of 131222123103 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred three".