5111321431 has 8 divisors (see below), whose sum is σ = 5209356240. Its totient is φ = 5013345792.

The previous prime is 5111321417. The next prime is 5111321437. The reversal of 5111321431 is 1341231115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5111321431 - 2⁵ = 5111321399 is a prime.

It is a super-2 number, since 2×5111321431² = 52251213541999775522, 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 (5111321437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185271 + ... + 211063.

It is an arithmetic number, because the mean of its divisors is an integer number (651169530).

Almost surely, 2^5111321431 is an apocalyptic number.

5111321431 is a deficient number, since it is larger than the sum of its proper divisors (98034809).

5111321431 is a wasteful number, since it uses less digits than its factorization.

5111321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29585.

The product of its digits is 360, while the sum is 22.

The square root of 5111321431 is about 71493.5062155997. The cubic root of 5111321431 is about 1722.5733778424.

Adding to 5111321431 its reverse (1341231115), we get a palindrome (6452552546).

The spelling of 5111321431 in words is "five billion, one hundred eleven million, three hundred twenty-one thousand, four hundred thirty-one".