1231060211 has 8 divisors (see below), whose sum is σ = 1303759104. Its totient is φ = 1159959240.

The previous prime is 1231060199. The next prime is 1231060213. The reversal of 1231060211 is 1120601321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231060211 - 2⁶ = 1231060147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231060211.

It is not an unprimeable number, because it can be changed into a prime (1231060213) 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, 397895 + ... + 400976.

It is an arithmetic number, because the mean of its divisors is an integer number (162969888).

Almost surely, 2^1231060211 is an apocalyptic number.

1231060211 is a deficient number, since it is larger than the sum of its proper divisors (72698893).

1231060211 is an equidigital number, since it uses as much as digits as its factorization.

1231060211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798961.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1231060211 is about 35086.4676335478. The cubic root of 1231060211 is about 1071.7490278463.

Adding to 1231060211 its reverse (1120601321), we get a palindrome (2351661532).

The spelling of 1231060211 in words is "one billion, two hundred thirty-one million, sixty thousand, two hundred eleven".