11213312012031 has 16 divisors (see below), whose sum is σ = 15831031130208. Its totient is φ = 7035593395200.

The previous prime is 11213312011981. The next prime is 11213312012057. The reversal of 11213312012031 is 13021021331211.

It is not a de Polignac number, because 11213312012031 - 2¹⁵ = 11213311979263 is a prime.

It is a super-2 number, since 2×11213312012031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11213312011989 and 11213312012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213312012131) 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, 1552180 + ... + 4983561.

It is an arithmetic number, because the mean of its divisors is an integer number (989439445638).

Almost surely, 2^{11213312012031} is an apocalyptic number.

11213312012031 is a deficient number, since it is larger than the sum of its proper divisors (4617719118177).

11213312012031 is a wasteful number, since it uses less digits than its factorization.

11213312012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569402.

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

Adding to 11213312012031 its reverse (13021021331211), we get a palindrome (24234333343242).

The spelling of 11213312012031 in words is "eleven trillion, two hundred thirteen billion, three hundred twelve million, twelve thousand, thirty-one".