1230431211 has 12 divisors (see below), whose sum is σ = 1777595040. Its totient is φ = 820146480.

The previous prime is 1230431173. The next prime is 1230431233. The reversal of 1230431211 is 1121340321.

1230431211 is a `hidden beast` number, since 1 + 23 + 0 + 431 + 211 = 666.

It is not a de Polignac number, because 1230431211 - 2¹¹ = 1230429163 is a prime.

It is a super-3 number, since 3×1230431211³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230431281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88846 + ... + 101756.

It is an arithmetic number, because the mean of its divisors is an integer number (148132920).

Almost surely, 2^1230431211 is an apocalyptic number.

1230431211 is a deficient number, since it is larger than the sum of its proper divisors (547163829).

1230431211 is a wasteful number, since it uses less digits than its factorization.

1230431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23506 (or 23503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1230431211 is about 35077.5029185374. The cubic root of 1230431211 is about 1071.5664629918.

Adding to 1230431211 its reverse (1121340321), we get a palindrome (2351771532).

The spelling of 1230431211 in words is "one billion, two hundred thirty million, four hundred thirty-one thousand, two hundred eleven".