5631131424 has 24 divisors (see below), whose sum is σ = 14781720240. Its totient is φ = 1877043776.

The previous prime is 5631131399. The next prime is 5631131461. The reversal of 5631131424 is 4241311365.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×5631131424² = 63419282228720535552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5631131391 and 5631131400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29328714 + ... + 29328905.

It is an arithmetic number, because the mean of its divisors is an integer number (615905010).

Almost surely, 2^5631131424 is an apocalyptic number.

It is an amenable number.

5631131424 is an abundant number, since it is smaller than the sum of its proper divisors (9150588816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5631131424 is a wasteful number, since it uses less digits than its factorization.

5631131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58657632 (or 58657624 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 5631131424 is about 75040.8650269971. The cubic root of 5631131424 is about 1779.0926048871.

Adding to 5631131424 its reverse (4241311365), we get a palindrome (9872442789).

The spelling of 5631131424 in words is "five billion, six hundred thirty-one million, one hundred thirty-one thousand, four hundred twenty-four".