1131022031232 has 64 divisors (see below), whose sum is σ = 3162397147200. Its totient is φ = 357164849664.

The previous prime is 1131022031203. The next prime is 1131022031261. The reversal of 1131022031232 is 2321302201311.

It is an interprime number because it is at equal distance from previous prime (1131022031203) and next prime (1131022031261).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1131022031199 and 1131022031208.

It is a congruent number.

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, 77502438 + ... + 77517029.

It is an arithmetic number, because the mean of its divisors is an integer number (49412455425).

Almost surely, 2^{1131022031232} is an apocalyptic number.

1131022031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131022031232 is an abundant number, since it is smaller than the sum of its proper divisors (2031375115968).

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

1131022031232 is a wasteful number, since it uses less digits than its factorization.

1131022031232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155019503 (or 155019491 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1131022031232 its reverse (2321302201311), we get a palindrome (3452324232543).

The spelling of 1131022031232 in words is "one trillion, one hundred thirty-one billion, twenty-two million, thirty-one thousand, two hundred thirty-two".