11311023132321 has 32 divisors (see below), whose sum is σ = 16574301596160. Its totient is φ = 6804393158400.

The previous prime is 11311023132197. The next prime is 11311023132427. The reversal of 11311023132321 is 12323132011311.

It is not a de Polignac number, because 11311023132321 - 2¹³ = 11311023124129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11311023132291 and 11311023132300.

It is not an unprimeable number, because it can be changed into a prime (11311023132121) 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, 21394066 + ... + 21916388.

It is an arithmetic number, because the mean of its divisors is an integer number (517946924880).

Almost surely, 2^{11311023132321} is an apocalyptic number.

11311023132321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11311023132321 is a deficient number, since it is larger than the sum of its proper divisors (5263278463839).

11311023132321 is a wasteful number, since it uses less digits than its factorization.

11311023132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527197.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11311023132321 its reverse (12323132011311), we get a palindrome (23634155143632).

The spelling of 11311023132321 in words is "eleven trillion, three hundred eleven billion, twenty-three million, one hundred thirty-two thousand, three hundred twenty-one".