11013020232231 has 32 divisors (see below), whose sum is σ = 15647936451840. Its totient is φ = 6865628530176.

The previous prime is 11013020232229. The next prime is 11013020232259. The reversal of 11013020232231 is 13223202031011.

It is not a de Polignac number, because 11013020232231 - 2¹ = 11013020232229 is a prime.

It is a super-2 number, since 2×11013020232231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11013020232198 and 11013020232207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013020232031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136294800 + ... + 136375578.

It is an arithmetic number, because the mean of its divisors is an integer number (488998014120).

Almost surely, 2^{11013020232231} is an apocalyptic number.

11013020232231 is a deficient number, since it is larger than the sum of its proper divisors (4634916219609).

11013020232231 is a wasteful number, since it uses less digits than its factorization.

11013020232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97983.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11013020232231 its reverse (13223202031011), we get a palindrome (24236222263242).

The spelling of 11013020232231 in words is "eleven trillion, thirteen billion, twenty million, two hundred thirty-two thousand, two hundred thirty-one".