11020130231331 has 16 divisors (see below), whose sum is σ = 15824125081856. Its totient is φ = 6781469315616.

The previous prime is 11020130231309. The next prime is 11020130231371. The reversal of 11020130231331 is 13313203102011.

It is a happy number.

It is not a de Polignac number, because 11020130231331 - 2³¹ = 11017982747683 is a prime.

It is a super-2 number, since 2×11020130231331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11020130231298 and 11020130231307.

It is not an unprimeable number, because it can be changed into a prime (11020130231371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302535 + ... + 4872048.

It is an arithmetic number, because the mean of its divisors is an integer number (989007817616).

Almost surely, 2^{11020130231331} is an apocalyptic number.

11020130231331 is a deficient number, since it is larger than the sum of its proper divisors (4803994850525).

11020130231331 is a wasteful number, since it uses less digits than its factorization.

11020130231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220362.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11020130231331 its reverse (13313203102011), we get a palindrome (24333333333342).

The spelling of 11020130231331 in words is "eleven trillion, twenty billion, one hundred thirty million, two hundred thirty-one thousand, three hundred thirty-one".