1430320213021 has 12 divisors (see below), whose sum is σ = 1663910228640. Its totient is φ = 1225938392280.

The previous prime is 1430320213019. The next prime is 1430320213031. The reversal of 1430320213021 is 1203120230341.

It is not a de Polignac number, because 1430320213021 - 2¹ = 1430320213019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1430320212983 and 1430320213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430320213031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 630976 + ... + 1805206.

It is an arithmetic number, because the mean of its divisors is an integer number (138659185720).

Almost surely, 2^{1430320213021} is an apocalyptic number.

It is an amenable number.

1430320213021 is a deficient number, since it is larger than the sum of its proper divisors (233590015619).

1430320213021 is a wasteful number, since it uses less digits than its factorization.

1430320213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199104 (or 1199097 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1430320213021 its reverse (1203120230341), we get a palindrome (2633440443362).

The spelling of 1430320213021 in words is "one trillion, four hundred thirty billion, three hundred twenty million, two hundred thirteen thousand, twenty-one".