5311032321 has 16 divisors (see below), whose sum is σ = 8245701504. Its totient is φ = 2977613184.

The previous prime is 5311032317. The next prime is 5311032341. The reversal of 5311032321 is 1232301135.

It is not a de Polignac number, because 5311032321 - 2² = 5311032317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (5311032301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2384796 + ... + 2387021.

It is an arithmetic number, because the mean of its divisors is an integer number (515356344).

Almost surely, 2^5311032321 is an apocalyptic number.

It is an amenable number.

5311032321 is a deficient number, since it is larger than the sum of its proper divisors (2934669183).

5311032321 is a wasteful number, since it uses less digits than its factorization.

5311032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771880.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 5311032321 is about 72876.8297952099. The cubic root of 5311032321 is about 1744.7223112394.

Adding to 5311032321 its reverse (1232301135), we get a palindrome (6543333456).

The spelling of 5311032321 in words is "five billion, three hundred eleven million, thirty-two thousand, three hundred twenty-one".