1231441304 has 16 divisors (see below), whose sum is σ = 2311598400. Its totient is φ = 615015072.

The previous prime is 1231441271. The next prime is 1231441397. The reversal of 1231441304 is 4031441321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231441304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80744 + ... + 94775.

It is an arithmetic number, because the mean of its divisors is an integer number (144474900).

Almost surely, 2^1231441304 is an apocalyptic number.

It is an amenable number.

1231441304 is a deficient number, since it is larger than the sum of its proper divisors (1080157096).

1231441304 is a wasteful number, since it uses less digits than its factorization.

1231441304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176402 (or 176398 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1231441304 is about 35091.8979822979. The cubic root of 1231441304 is about 1071.8596083876.

Adding to 1231441304 its reverse (4031441321), we get a palindrome (5262882625).

The spelling of 1231441304 in words is "one billion, two hundred thirty-one million, four hundred forty-one thousand, three hundred four".