1311101010231 has 16 divisors (see below), whose sum is σ = 1753440108000. Its totient is φ = 871415474688.

The previous prime is 1311101010187. The next prime is 1311101010257. The reversal of 1311101010231 is 1320101011131.

It is not a de Polignac number, because 1311101010231 - 2¹⁹ = 1311100485943 is a prime.

It is a super-2 number, since 2×1311101010231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1311101010231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311101010431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6272355 + ... + 6478011.

It is an arithmetic number, because the mean of its divisors is an integer number (109590006750).

Almost surely, 2^{1311101010231} is an apocalyptic number.

1311101010231 is a deficient number, since it is larger than the sum of its proper divisors (442339097769).

1311101010231 is a wasteful number, since it uses less digits than its factorization.

1311101010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212098.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1311101010231 its reverse (1320101011131), we get a palindrome (2631202021362).

The spelling of 1311101010231 in words is "one trillion, three hundred eleven billion, one hundred one million, ten thousand, two hundred thirty-one".