1312003230 has 16 divisors (see below), whose sum is σ = 3148807824. Its totient is φ = 349867520.

The previous prime is 1312003223. The next prime is 1312003267. The reversal of 1312003230 is 323002131.

1312003230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21866691 + ... + 21866750.

It is an arithmetic number, because the mean of its divisors is an integer number (196800489).

Almost surely, 2^1312003230 is an apocalyptic number.

1312003230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312003230 is an abundant number, since it is smaller than the sum of its proper divisors (1836804594).

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

1312003230 is a wasteful number, since it uses less digits than its factorization.

1312003230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43733451.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1312003230 is about 36221.5851392509. The cubic root of 1312003230 is about 1094.7416333361.

Adding to 1312003230 its reverse (323002131), we get a palindrome (1635005361).

The spelling of 1312003230 in words is "one billion, three hundred twelve million, three thousand, two hundred thirty".