1210330231 has 16 divisors (see below), whose sum is σ = 1335359520. Its totient is φ = 1087851520.

The previous prime is 1210330211. The next prime is 1210330259. The reversal of 1210330231 is 1320330121.

It is a cyclic number.

It is not a de Polignac number, because 1210330231 - 2⁷ = 1210330103 is a prime.

It is a super-2 number, since 2×1210330231² = 2929798536145026722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631731 + ... + 633643.

It is an arithmetic number, because the mean of its divisors is an integer number (83459970).

Almost surely, 2^1210330231 is an apocalyptic number.

1210330231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1210330231 is a deficient number, since it is larger than the sum of its proper divisors (125029289).

1210330231 is a wasteful number, since it uses less digits than its factorization.

1210330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1210330231 is about 34789.8006749105. The cubic root of 1210330231 is about 1065.6991686907.

Adding to 1210330231 its reverse (1320330121), we get a palindrome (2530660352).

The spelling of 1210330231 in words is "one billion, two hundred ten million, three hundred thirty thousand, two hundred thirty-one".