1421031321032 has 32 divisors (see below), whose sum is σ = 2728101293280. Its totient is φ = 693558297600.

The previous prime is 1421031321013. The next prime is 1421031321037. The reversal of 1421031321032 is 2301231301241.

It is a junction number, because it is equal to n+sod(n) for n = 1421031320989 and 1421031321007.

It is not an unprimeable number, because it can be changed into a prime (1421031321037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739358 + ... + 1840845.

It is an arithmetic number, because the mean of its divisors is an integer number (85253165415).

Almost surely, 2^{1421031321032} is an apocalyptic number.

It is an amenable number.

1421031321032 is a deficient number, since it is larger than the sum of its proper divisors (1307069972248).

1421031321032 is a wasteful number, since it uses less digits than its factorization.

1421031321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581853 (or 2581849 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1421031321032 its reverse (2301231301241), we get a palindrome (3722262622273).

The spelling of 1421031321032 in words is "one trillion, four hundred twenty-one billion, thirty-one million, three hundred twenty-one thousand, thirty-two".