131103012122 has 16 divisors (see below), whose sum is σ = 202167912744. Its totient is φ = 63725088000.

The previous prime is 131103012107. The next prime is 131103012169. The reversal of 131103012122 is 221210301131.

It can be written as a sum of positive squares in 4 ways, for example, as 93451878601 + 37651133521 = 305699^2 + 194039^2 .

It is a super-2 number, since 2×131103012122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131103012122.

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, 2821829 + ... + 2867912.

Almost surely, 2^131103012122 is an apocalyptic number.

131103012122 is a deficient number, since it is larger than the sum of its proper divisors (71064900622).

131103012122 is a wasteful number, since it uses less digits than its factorization.

131103012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690065.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131103012122 its reverse (221210301131), we get a palindrome (352313313253).

The spelling of 131103012122 in words is "one hundred thirty-one billion, one hundred three million, twelve thousand, one hundred twenty-two".