1131111231030 has 96 divisors (see below), whose sum is σ = 3225040386048. Its totient is φ = 272773089600.

The previous prime is 1131111231001. The next prime is 1131111231067. The reversal of 1131111231030 is 301321111311.

1131111231030 is a `hidden beast` number, since 1 + 1 + 311 + 1 + 12 + 310 + 30 = 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 = 1131111230994 and 1131111231012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2801844 + ... + 3180023.

It is an arithmetic number, because the mean of its divisors is an integer number (33594170688).

Almost surely, 2^{1131111231030} is an apocalyptic number.

1131111231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131111231030 is an abundant number, since it is smaller than the sum of its proper divisors (2093929155018).

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

1131111231030 is a wasteful number, since it uses less digits than its factorization.

1131111231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982082 (or 5982079 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131111231030 its reverse (301321111311), we get a palindrome (1432432342341).

The spelling of 1131111231030 in words is "one trillion, one hundred thirty-one billion, one hundred eleven million, two hundred thirty-one thousand, thirty".