1230031144 has 32 divisors (see below), whose sum is σ = 2382854400. Its totient is φ = 594639360.

The previous prime is 1230031133. The next prime is 1230031163. The reversal of 1230031144 is 4411300321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498987 + ... + 501445.

It is an arithmetic number, because the mean of its divisors is an integer number (74464200).

Almost surely, 2^1230031144 is an apocalyptic number.

It is an amenable number.

1230031144 is a deficient number, since it is larger than the sum of its proper divisors (1152823256).

1230031144 is a wasteful number, since it uses less digits than its factorization.

1230031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4509 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1230031144 is about 35071.7998397573. The cubic root of 1230031144 is about 1071.4503126949.

Adding to 1230031144 its reverse (4411300321), we get a palindrome (5641331465).

The spelling of 1230031144 in words is "one billion, two hundred thirty million, thirty-one thousand, one hundred forty-four".