5445131331 has 48 divisors (see below), whose sum is σ = 7915622400. Its totient is φ = 3317783040.

The previous prime is 5445131311. The next prime is 5445131333. The reversal of 5445131331 is 1331315445.

It is not a de Polignac number, because 5445131331 - 2⁷ = 5445131203 is a prime.

It is a super-2 number, since 2×5445131331² = 59298910423675663122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445131333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27362370 + ... + 27362568.

It is an arithmetic number, because the mean of its divisors is an integer number (164908800).

Almost surely, 2^5445131331 is an apocalyptic number.

5445131331 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5445131331 is a deficient number, since it is larger than the sum of its proper divisors (2470491069).

5445131331 is a wasteful number, since it uses less digits than its factorization.

5445131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 463 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 5445131331 is about 73791.1331461985. The cubic root of 5445131331 is about 1759.2846751942.

Adding to 5445131331 its reverse (1331315445), we get a palindrome (6776446776).

The spelling of 5445131331 in words is "five billion, four hundred forty-five million, one hundred thirty-one thousand, three hundred thirty-one".