11331031213031 has 16 divisors (see below), whose sum is σ = 11454662419200. Its totient is φ = 11207666590848.

The previous prime is 11331031213027. The next prime is 11331031213063. The reversal of 11331031213031 is 13031213013311.

It is a cyclic number.

It is not a de Polignac number, because 11331031213031 - 2² = 11331031213027 is a prime.

It is a super-2 number, since 2×11331031213031² (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 = 11331031212988 and 11331031213006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331031219031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817586780 + ... + 817600638.

It is an arithmetic number, because the mean of its divisors is an integer number (715916401200).

Almost surely, 2^{11331031213031} is an apocalyptic number.

11331031213031 is a deficient number, since it is larger than the sum of its proper divisors (123631206169).

11331031213031 is a wasteful number, since it uses less digits than its factorization.

11331031213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22838.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 11331031213031 its reverse (13031213013311), we get a palindrome (24362244226342).

The spelling of 11331031213031 in words is "eleven trillion, three hundred thirty-one billion, thirty-one million, two hundred thirteen thousand, thirty-one".