5431319 has 4 divisors (see below), whose sum is σ = 5467440. Its totient is φ = 5395200.

The previous prime is 5431303. The next prime is 5431331. The reversal of 5431319 is 9131345.

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 5431319 - 2⁴ = 5431303 is a prime.

It is a super-2 number, since 2×5431319² = 58998452159522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5431339) 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, 17834 + ... + 18135.

It is an arithmetic number, because the mean of its divisors is an integer number (1366860).

Almost surely, 2^5431319 is an apocalyptic number.

5431319 is a deficient number, since it is larger than the sum of its proper divisors (36121).

5431319 is a wasteful number, since it uses less digits than its factorization.

5431319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120.

The product of its digits is 1620, while the sum is 26.

The square root of 5431319 is about 2330.5190409005. The cubic root of 5431319 is about 175.7795859075.

Adding to 5431319 its sum of digits (26), we get a palindrome (5431345).

The spelling of 5431319 in words is "five million, four hundred thirty-one thousand, three hundred nineteen".