1131203310000 has 200 divisors, whose sum is σ = 3652897186224. Its totient is φ = 301553280000.

The previous prime is 1131203309983. The next prime is 1131203310103. The reversal of 1131203310000 is 133021311.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×1131203310000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145826122 + ... + 145833878.

Almost surely, 2^{1131203310000} is an apocalyptic number.

1131203310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131203310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1826448593112).

1131203310000 is an abundant number, since it is smaller than the sum of its proper divisors (2521693876224).

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

1131203310000 is an equidigital number, since it uses as much as digits as its factorization.

1131203310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649 (or 12628 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1131203310000 its reverse (133021311), we get a palindrome (1131336331311).

The spelling of 1131203310000 in words is "one trillion, one hundred thirty-one billion, two hundred three million, three hundred ten thousand".