11310212312031 has 16 divisors (see below), whose sum is σ = 15095308883840. Its totient is φ = 7532629503840.

The previous prime is 11310212311991. The next prime is 11310212312041. The reversal of 11310212312031 is 13021321201311.

It is not a de Polignac number, because 11310212312031 - 2¹¹ = 11310212309983 is a prime.

It is a super-2 number, since 2×11310212312031² (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 = 11310212311989 and 11310212312007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310212312041) 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, 57380676 + ... + 57577446.

It is an arithmetic number, because the mean of its divisors is an integer number (943456805240).

Almost surely, 2^{11310212312031} is an apocalyptic number.

11310212312031 is a deficient number, since it is larger than the sum of its proper divisors (3785096571809).

11310212312031 is a wasteful number, since it uses less digits than its factorization.

11310212312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215766.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11310212312031 its reverse (13021321201311), we get a palindrome (24331533513342).

The spelling of 11310212312031 in words is "eleven trillion, three hundred ten billion, two hundred twelve million, three hundred twelve thousand, thirty-one".