1120031311000 has 128 divisors (see below), whose sum is σ = 2996065013760. Its totient is φ = 383910576000.

The previous prime is 1120031310961. The next prime is 1120031311031. The reversal of 1120031311000 is 1131300211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29878269 + ... + 29915731.

It is an arithmetic number, because the mean of its divisors is an integer number (23406757920).

Almost surely, 2^{1120031311000} is an apocalyptic number.

1120031311000 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 1120031311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498032506880).

1120031311000 is an abundant number, since it is smaller than the sum of its proper divisors (1876033702760).

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

1120031311000 is a wasteful number, since it uses less digits than its factorization.

1120031311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41762 (or 41748 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1120031311000 its reverse (1131300211), we get a palindrome (1121162611211).

The spelling of 1120031311000 in words is "one trillion, one hundred twenty billion, thirty-one million, three hundred eleven thousand".