131313030103 has 4 divisors (see below), whose sum is σ = 131438210400. Its totient is φ = 131187849808.

The previous prime is 131313030083. The next prime is 131313030119. The reversal of 131313030103 is 301030313131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301030313131 = 163 ⋅1846811737.

It is a cyclic number.

It is not a de Polignac number, because 131313030103 - 2¹⁷ = 131312899031 is a prime.

It is a super-2 number, since 2×131313030103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131313030143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62588575 + ... + 62590672.

It is an arithmetic number, because the mean of its divisors is an integer number (32859552600).

Almost surely, 2^131313030103 is an apocalyptic number.

131313030103 is a deficient number, since it is larger than the sum of its proper divisors (125180297).

131313030103 is a wasteful number, since it uses less digits than its factorization.

131313030103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125180296.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 131313030103 its reverse (301030313131), we get a palindrome (432343343234).

The spelling of 131313030103 in words is "one hundred thirty-one billion, three hundred thirteen million, thirty thousand, one hundred three".