11331110230031 has 4 divisors (see below), whose sum is σ = 11331588622032. Its totient is φ = 11330631838032.

The previous prime is 11331110229997. The next prime is 11331110230061. The reversal of 11331110230031 is 13003201113311.

11331110230031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331110230031 is a prime.

It is a super-2 number, since 2×11331110230031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331110229985 and 11331110230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331110230061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239160470 + ... + 239207843.

It is an arithmetic number, because the mean of its divisors is an integer number (2832897155508).

Almost surely, 2^{11331110230031} is an apocalyptic number.

11331110230031 is a deficient number, since it is larger than the sum of its proper divisors (478392001).

11331110230031 is an equidigital number, since it uses as much as digits as its factorization.

11331110230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478392000.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11331110230031 its reverse (13003201113311), we get a palindrome (24334311343342).

The spelling of 11331110230031 in words is "eleven trillion, three hundred thirty-one billion, one hundred ten million, two hundred thirty thousand, thirty-one".