1331211230 has 8 divisors (see below), whose sum is σ = 2396180232. Its totient is φ = 532484488.

The previous prime is 1331211199. The next prime is 1331211241. The reversal of 1331211230 is 321121331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1331211230² = 3544246677756225800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1331211199 and 1331211208.

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 3 ways as a sum of consecutive naturals, for example, 66560552 + ... + 66560571.

It is an arithmetic number, because the mean of its divisors is an integer number (299522529).

Almost surely, 2^1331211230 is an apocalyptic number.

1331211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331211230 is a deficient number, since it is larger than the sum of its proper divisors (1064969002).

1331211230 is a wasteful number, since it uses less digits than its factorization.

1331211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133121130.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1331211230 is about 36485.7674991222. The cubic root of 1331211230 is about 1100.0581870047.

Adding to 1331211230 its reverse (321121331), we get a palindrome (1652332561).

It can be divided in two parts, 13312 and 11230, that added together give a palindrome (24542).

The spelling of 1331211230 in words is "one billion, three hundred thirty-one million, two hundred eleven thousand, two hundred thirty".