131113203 has 32 divisors (see below), whose sum is σ = 194406912. Its totient is φ = 78086400.

The previous prime is 131113193. The next prime is 131113207. The reversal of 131113203 is 302311131.

It is not a de Polignac number, because 131113203 - 2⁶ = 131113139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131113207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266788 + ... + 267278.

It is an arithmetic number, because the mean of its divisors is an integer number (6075216).

Almost surely, 2^131113203 is an apocalyptic number.

131113203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131113203 is a deficient number, since it is larger than the sum of its proper divisors (63293709).

131113203 is a wasteful number, since it uses less digits than its factorization.

131113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131113203 is about 11450.4673703740. The cubic root of 131113203 is about 508.0215583366.

Adding to 131113203 its reverse (302311131), we get a palindrome (433424334).

The spelling of 131113203 in words is "one hundred thirty-one million, one hundred thirteen thousand, two hundred three".