2403134431 has 4 divisors (see below), whose sum is σ = 2419263000. Its totient is φ = 2387005864.

The previous prime is 2403134411. The next prime is 2403134471. The reversal of 2403134431 is 1344313042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2403134431 - 2²⁵ = 2369579999 is a prime.

It is a super-2 number, since 2×2403134431² = 11550110186915387522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2403134396 and 2403134405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403134411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8064061 + ... + 8064358.

It is an arithmetic number, because the mean of its divisors is an integer number (604815750).

Almost surely, 2^2403134431 is an apocalyptic number.

2403134431 is a deficient number, since it is larger than the sum of its proper divisors (16128569).

2403134431 is a wasteful number, since it uses less digits than its factorization.

2403134431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128568.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2403134431 is about 49021.7750698605. The cubic root of 2403134431 is about 1339.4485053277.

Adding to 2403134431 its reverse (1344313042), we get a palindrome (3747447473).

The spelling of 2403134431 in words is "two billion, four hundred three million, one hundred thirty-four thousand, four hundred thirty-one".