1312011230 has 16 divisors (see below), whose sum is σ = 2371423824. Its totient is φ = 522625920.

The previous prime is 1312011221. The next prime is 1312011257. The reversal of 1312011230 is 321102131.

It is a super-2 number, since 2×1312011230² = 3442746935292225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269792 + ... + 274611.

It is an arithmetic number, because the mean of its divisors is an integer number (148213989).

Almost surely, 2^1312011230 is an apocalyptic number.

1312011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312011230 is a deficient number, since it is larger than the sum of its proper divisors (1059412594).

1312011230 is a wasteful number, since it uses less digits than its factorization.

1312011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544651.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312011230 is about 36221.6955704727. The cubic root of 1312011230 is about 1094.7438584107.

Adding to 1312011230 its reverse (321102131), we get a palindrome (1633113361).

Subtracting from 1312011230 its reverse (321102131), we obtain a palindrome (990909099).

The spelling of 1312011230 in words is "one billion, three hundred twelve million, eleven thousand, two hundred thirty".