1011232331311 has 8 divisors (see below), whose sum is σ = 1070974230480. Its totient is φ = 951519059328.

The previous prime is 1011232331309. The next prime is 1011232331359. The reversal of 1011232331311 is 1131332321101.

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 1011232331311 - 2¹ = 1011232331309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011232331411) 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, 7084041 + ... + 7225378.

It is an arithmetic number, because the mean of its divisors is an integer number (133871778810).

Almost surely, 2^{1011232331311} is an apocalyptic number.

1011232331311 is a deficient number, since it is larger than the sum of its proper divisors (59741899169).

1011232331311 is a wasteful number, since it uses less digits than its factorization.

1011232331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14313593.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1011232331311 its reverse (1131332321101), we get a palindrome (2142564652412).

The spelling of 1011232331311 in words is "one trillion, eleven billion, two hundred thirty-two million, three hundred thirty-one thousand, three hundred eleven".