1302220220231 has 4 divisors (see below), whose sum is σ = 1488251680272. Its totient is φ = 1116188760192.

The previous prime is 1302220220209. The next prime is 1302220220237. The reversal of 1302220220231 is 1320220222031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1302220220231 - 2²⁶ = 1302153111367 is a prime.

It is a super-2 number, since 2×1302220220231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302220220237) 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, 93015730010 + ... + 93015730023.

It is an arithmetic number, because the mean of its divisors is an integer number (372062920068).

Almost surely, 2^{1302220220231} is an apocalyptic number.

1302220220231 is a deficient number, since it is larger than the sum of its proper divisors (186031460041).

1302220220231 is an equidigital number, since it uses as much as digits as its factorization.

1302220220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186031460040.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1302220220231 its reverse (1320220222031), we get a palindrome (2622440442262).

The spelling of 1302220220231 in words is "one trillion, three hundred two billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty-one".