1318239230 has 64 divisors (see below), whose sum is σ = 2968939008. Its totient is φ = 409407360.

The previous prime is 1318239229. The next prime is 1318239239. The reversal of 1318239230 is 329328131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318239239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222689 + ... + 228531.

It is an arithmetic number, because the mean of its divisors is an integer number (46389672).

Almost surely, 2^1318239230 is an apocalyptic number.

1318239230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318239230 is an abundant number, since it is smaller than the sum of its proper divisors (1650699778).

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

1318239230 is a wasteful number, since it uses less digits than its factorization.

1318239230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1318239230 is about 36307.5643633665. The cubic root of 1318239230 is about 1096.4733417941.

The spelling of 1318239230 in words is "one billion, three hundred eighteen million, two hundred thirty-nine thousand, two hundred thirty".