4540331931 has 8 divisors (see below), whose sum is σ = 6153018384. Its totient is φ = 2977266720.

The previous prime is 4540331921. The next prime is 4540331953. The reversal of 4540331931 is 1391330454.

It is a happy number.

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

It is not a de Polignac number, because 4540331931 - 2²⁷ = 4406114203 is a prime.

It is a super-2 number, since 2×4540331931² = 41229228087316377522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540331892 and 4540331901.

It is not an unprimeable number, because it can be changed into a prime (4540331921) 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, 12405096 + ... + 12405461.

It is an arithmetic number, because the mean of its divisors is an integer number (769127298).

Almost surely, 2^4540331931 is an apocalyptic number.

4540331931 is a deficient number, since it is larger than the sum of its proper divisors (1612686453).

4540331931 is a wasteful number, since it uses less digits than its factorization.

4540331931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24810621.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 4540331931 is about 67381.9852111824. The cubic root of 4540331931 is about 1655.8812988881.

The spelling of 4540331931 in words is "four billion, five hundred forty million, three hundred thirty-one thousand, nine hundred thirty-one".