1133231311020 has 24 divisors (see below), whose sum is σ = 3173047671024. Its totient is φ = 302195016256.

The previous prime is 1133231310979. The next prime is 1133231311039. The reversal of 1133231311020 is 201131323311.

It is a happy number.

It is a super-3 number, since 3×1133231311020³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9443594199 + ... + 9443594318.

It is an arithmetic number, because the mean of its divisors is an integer number (132210319626).

Almost surely, 2^{1133231311020} is an apocalyptic number.

1133231311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133231311020 is an abundant number, since it is smaller than the sum of its proper divisors (2039816360004).

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

1133231311020 is a wasteful number, since it uses less digits than its factorization.

1133231311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887188529 (or 18887188527 counting only the distinct ones).

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

Adding to 1133231311020 its reverse (201131323311), we get a palindrome (1334362634331).

The spelling of 1133231311020 in words is "one trillion, one hundred thirty-three billion, two hundred thirty-one million, three hundred eleven thousand, twenty".