1302203022231 has 4 divisors (see below), whose sum is σ = 1736270696312. Its totient is φ = 868135348152.

The previous prime is 1302203022229. The next prime is 1302203022271. The reversal of 1302203022231 is 1322203022031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1302203022231 - 2¹ = 1302203022229 is a prime.

It is a super-2 number, since 2×1302203022231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1302203022198 and 1302203022207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302203022271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217033837036 + ... + 217033837041.

It is an arithmetic number, because the mean of its divisors is an integer number (434067674078).

Almost surely, 2^{1302203022231} is an apocalyptic number.

1302203022231 is a deficient number, since it is larger than the sum of its proper divisors (434067674081).

1302203022231 is an equidigital number, since it uses as much as digits as its factorization.

1302203022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434067674080.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1302203022231 its reverse (1322203022031), we get a palindrome (2624406044262).

The spelling of 1302203022231 in words is "one trillion, three hundred two billion, two hundred three million, twenty-two thousand, two hundred thirty-one".