40131303 has 12 divisors (see below), whose sum is σ = 53949240. Its totient is φ = 26535216.

The previous prime is 40131281. The next prime is 40131307. The reversal of 40131303 is 30313104.

It is not a de Polignac number, because 40131303 - 2¹⁷ = 40000231 is a prime.

It is a super-2 number, since 2×40131303² = 3221042960955618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131307) 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, 149053 + ... + 149321.

It is an arithmetic number, because the mean of its divisors is an integer number (4495770).

Almost surely, 2^40131303 is an apocalyptic number.

40131303 is a deficient number, since it is larger than the sum of its proper divisors (13817937).

40131303 is an equidigital number, since it uses as much as digits as its factorization.

40131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 40131303 is about 6334.9272292584. The cubic root of 40131303 is about 342.3689889110.

Adding to 40131303 its reverse (30313104), we get a palindrome (70444407).

The spelling of 40131303 in words is "forty million, one hundred thirty-one thousand, three hundred three".