1021431224032 has 48 divisors (see below), whose sum is σ = 2015957704320. Its totient is φ = 509442524032.

The previous prime is 1021431224029. The next prime is 1021431224053. The reversal of 1021431224032 is 2304221341201.

1021431224032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1021431223988 and 1021431224006.

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, 113956383 + ... + 113965345.

It is an arithmetic number, because the mean of its divisors is an integer number (41999118840).

Almost surely, 2^{1021431224032} is an apocalyptic number.

It is an amenable number.

1021431224032 is a deficient number, since it is larger than the sum of its proper divisors (994526480288).

1021431224032 is an equidigital number, since it uses as much as digits as its factorization.

1021431224032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17455 (or 17447 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1021431224032 its reverse (2304221341201), we get a palindrome (3325652565233).

The spelling of 1021431224032 in words is "one trillion, twenty-one billion, four hundred thirty-one million, two hundred twenty-four thousand, thirty-two".