131045103 has 12 divisors (see below), whose sum is σ = 216328528. Its totient is φ = 74882880.

The previous prime is 131045093. The next prime is 131045107. The reversal of 131045103 is 301540131.

It is not a de Polignac number, because 131045103 - 2¹² = 131041007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039978 + ... + 1040103.

Almost surely, 2^131045103 is an apocalyptic number.

131045103 is a deficient number, since it is larger than the sum of its proper divisors (85283425).

131045103 is a wasteful number, since it uses less digits than its factorization.

131045103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080094 (or 2080091 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 131045103 is about 11447.4933063968. The cubic root of 131045103 is about 507.9335878937.

Adding to 131045103 its reverse (301540131), we get a palindrome (432585234).

The spelling of 131045103 in words is "one hundred thirty-one million, forty-five thousand, one hundred three".