2403055431 has 48 divisors (see below), whose sum is σ = 4121155584. Its totient is φ = 1370745504.

The previous prime is 2403055429. The next prime is 2403055441. The reversal of 2403055431 is 1345503042.

It is not a de Polignac number, because 2403055431 - 2¹ = 2403055429 is a prime.

It is a super-2 number, since 2×2403055431² = 11549350808917191522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2403055395 and 2403055404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403055441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467145 + ... + 1468781.

It is an arithmetic number, because the mean of its divisors is an integer number (85857408).

Almost surely, 2^2403055431 is an apocalyptic number.

2403055431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2403055431 is a deficient number, since it is larger than the sum of its proper divisors (1718100153).

2403055431 is an equidigital number, since it uses as much as digits as its factorization.

2403055431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2403055431 is about 49020.9692988623. The cubic root of 2403055431 is about 1339.4338276093.

Adding to 2403055431 its reverse (1345503042), we get a palindrome (3748558473).

The spelling of 2403055431 in words is "two billion, four hundred three million, fifty-five thousand, four hundred thirty-one".