11311023301020 has 72 divisors (see below), whose sum is σ = 35237404142304. Its totient is φ = 2934751989888.

The previous prime is 11311023301007. The next prime is 11311023301021. The reversal of 11311023301020 is 2010332011311.

11311023301020 is a `hidden beast` number, since 1 + 1 + 311 + 0 + 2 + 330 + 1 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11311023300984 and 11311023301002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311023301021) 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 23 ways as a sum of consecutive naturals, for example, 849169264 + ... + 849182583.

Almost surely, 2^{11311023301020} is an apocalyptic number.

11311023301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311023301020 is an abundant number, since it is smaller than the sum of its proper divisors (23926380841284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311023301020 is a wasteful number, since it uses less digits than its factorization.

11311023301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698351899 (or 1698351894 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11311023301020 its reverse (2010332011311), we get a palindrome (13321355312331).

The spelling of 11311023301020 in words is "eleven trillion, three hundred eleven billion, twenty-three million, three hundred one thousand, twenty".