3031431144 has 32 divisors (see below), whose sum is σ = 8661232320. Its totient is φ = 866123136.

The previous prime is 3031431059. The next prime is 3031431149. The reversal of 3031431144 is 4411341303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3031431149) 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, 9021949 + ... + 9022284.

It is an arithmetic number, because the mean of its divisors is an integer number (270663510).

Almost surely, 2^3031431144 is an apocalyptic number.

It is an amenable number.

3031431144 is an abundant number, since it is smaller than the sum of its proper divisors (5629801176).

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

3031431144 is a wasteful number, since it uses less digits than its factorization.

3031431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044249 (or 18044245 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3031431144 is about 55058.4339043529. The cubic root of 3031431144 is about 1447.2689209070.

Adding to 3031431144 its reverse (4411341303), we get a palindrome (7442772447).

The spelling of 3031431144 in words is "three billion, thirty-one million, four hundred thirty-one thousand, one hundred forty-four".