1230031211 has 8 divisors (see below), whose sum is σ = 1265919600. Its totient is φ = 1194473952.

The previous prime is 1230031189. The next prime is 1230031223. The reversal of 1230031211 is 1121300321.

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

It is not a de Polignac number, because 1230031211 - 2¹⁰ = 1230030187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230031111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75236 + ... + 90113.

It is an arithmetic number, because the mean of its divisors is an integer number (158239950).

Almost surely, 2^1230031211 is an apocalyptic number.

1230031211 is a deficient number, since it is larger than the sum of its proper divisors (35888389).

1230031211 is a wasteful number, since it uses less digits than its factorization.

1230031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165565.

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

The square root of 1230031211 is about 35071.8007949407. The cubic root of 1230031211 is about 1071.4503321489.

Adding to 1230031211 its reverse (1121300321), we get a palindrome (2351331532).

The spelling of 1230031211 in words is "one billion, two hundred thirty million, thirty-one thousand, two hundred eleven".