1031122220032 has 44 divisors (see below), whose sum is σ = 2169723709120. Its totient is φ = 488426305536.

The previous prime is 1031122220003. The next prime is 1031122220039. The reversal of 1031122220032 is 2300222211301.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1031122219991 and 1031122220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031122220039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26479368 + ... + 26518279.

It is an arithmetic number, because the mean of its divisors is an integer number (49311902480).

Almost surely, 2^{1031122220032} is an apocalyptic number.

It is an amenable number.

1031122220032 is an abundant number, since it is smaller than the sum of its proper divisors (1138601489088).

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

1031122220032 is an equidigital number, since it uses as much as digits as its factorization.

1031122220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52997686 (or 52997668 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1031122220032 its reverse (2300222211301), we get a palindrome (3331344431333).

The spelling of 1031122220032 in words is "one trillion, thirty-one billion, one hundred twenty-two million, two hundred twenty thousand, thirty-two".