2403534231 has 18 divisors (see below), whose sum is σ = 4038592272. Its totient is φ = 1373447880.

The previous prime is 2403534223. The next prime is 2403534233. The reversal of 2403534231 is 1324353042.

2403534231 is a `hidden beast` number, since 240 + 353 + 42 + 31 = 666.

It is not a de Polignac number, because 2403534231 - 2³ = 2403534223 is a prime.

It is a super-2 number, since 2×2403534231² = 11553953599177522722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2403534195 and 2403534204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403534233) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2724655 + ... + 2725536.

Almost surely, 2^2403534231 is an apocalyptic number.

2403534231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2403534231 is a deficient number, since it is larger than the sum of its proper divisors (1635058041).

2403534231 is a wasteful number, since it uses less digits than its factorization.

2403534231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450211 (or 5450201 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2403534231 is about 49025.8526799892. The cubic root of 2403534231 is about 1339.5227807977.

Adding to 2403534231 its reverse (1324353042), we get a palindrome (3727887273).

The spelling of 2403534231 in words is "two billion, four hundred three million, five hundred thirty-four thousand, two hundred thirty-one".