131103031203 has 24 divisors (see below), whose sum is σ = 199369398800. Its totient is φ = 82788848064.

The previous prime is 131103031201. The next prime is 131103031207. The reversal of 131103031203 is 302130301131.

It is a happy number.

It is not a de Polignac number, because 131103031203 - 2¹ = 131103031201 is a prime.

It is a super-2 number, since 2×131103031203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103031201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1090101 + ... + 1204377.

Almost surely, 2^131103031203 is an apocalyptic number.

131103031203 is a deficient number, since it is larger than the sum of its proper divisors (68266367597).

131103031203 is a wasteful number, since it uses less digits than its factorization.

131103031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121011 (or 121008 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131103031203 its reverse (302130301131), we get a palindrome (433233332334).

The spelling of 131103031203 in words is "one hundred thirty-one billion, one hundred three million, thirty-one thousand, two hundred three".