1131312233000 has 64 divisors (see below), whose sum is σ = 2732666526720. Its totient is φ = 437927304000.

The previous prime is 1131312232979. The next prime is 1131312233057. The reversal of 1131312233000 is 3322131311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18215972 + ... + 18277971.

It is an arithmetic number, because the mean of its divisors is an integer number (42697914480).

Almost surely, 2^{1131312233000} is an apocalyptic number.

1131312233000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131312233000 is an abundant number, since it is smaller than the sum of its proper divisors (1601354293720).

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

1131312233000 is a wasteful number, since it uses less digits than its factorization.

1131312233000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36493995 (or 36493981 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131312233000 its reverse (3322131311), we get a palindrome (1134634364311).

The spelling of 1131312233000 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, two hundred thirty-three thousand".