101031231211 has 32 divisors (see below), whose sum is σ = 108027601920. Its totient is φ = 94316140800.

The previous prime is 101031231209. The next prime is 101031231271. The reversal of 101031231211 is 112132130101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101031231211 - 2¹ = 101031231209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101031231271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70998046 + ... + 70999468.

It is an arithmetic number, because the mean of its divisors is an integer number (3375862560).

Almost surely, 2^101031231211 is an apocalyptic number.

101031231211 is a deficient number, since it is larger than the sum of its proper divisors (6996370709).

101031231211 is a wasteful number, since it uses less digits than its factorization.

101031231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101031231211 its reverse (112132130101), we get a palindrome (213163361312).

The spelling of 101031231211 in words is "one hundred one billion, thirty-one million, two hundred thirty-one thousand, two hundred eleven".