131024403 has 12 divisors (see below), whose sum is σ = 189407088. Its totient is φ = 87280560.

The previous prime is 131024393. The next prime is 131024429. The reversal of 131024403 is 304420131.

It is not a de Polignac number, because 131024403 - 2⁶ = 131024339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131024473) 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, 7993 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (15783924).

Almost surely, 2^131024403 is an apocalyptic number.

131024403 is a deficient number, since it is larger than the sum of its proper divisors (58382685).

131024403 is a wasteful number, since it uses less digits than its factorization.

131024403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11514 (or 11511 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 131024403 is about 11446.5891426224. The cubic root of 131024403 is about 507.9068419396.

Adding to 131024403 its reverse (304420131), we get a palindrome (435444534).

The spelling of 131024403 in words is "one hundred thirty-one million, twenty-four thousand, four hundred three".