49431303 has 14 divisors (see below), whose sum is σ = 74114144. Its totient is φ = 32953716.

The previous prime is 49431299. The next prime is 49431307. The reversal of 49431303 is 30313494.

It is an interprime number because it is at equal distance from previous prime (49431299) and next prime (49431307).

It is not a de Polignac number, because 49431303 - 2² = 49431299 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49431307) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 33175 + ... + 34632.

Almost surely, 2^49431303 is an apocalyptic number.

49431303 is a deficient number, since it is larger than the sum of its proper divisors (24682841).

49431303 is an frugal number, since it uses more digits than its factorization.

49431303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67825 (or 67810 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 49431303 is about 7030.7398614940. The cubic root of 49431303 is about 367.0010889251.

Adding to 49431303 its reverse (30313494), we get a palindrome (79744797).

The spelling of 49431303 in words is "forty-nine million, four hundred thirty-one thousand, three hundred three".