1302223231 has 6 divisors (see below), whose sum is σ = 1345586496. Its totient is φ = 1260215100.

The previous prime is 1302223229. The next prime is 1302223249. The reversal of 1302223231 is 1323222031.

It is not a de Polignac number, because 1302223231 - 2¹ = 1302223229 is a prime.

It is a super-2 number, since 2×1302223231² = 3391570686712158722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1302223199 and 1302223208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302223211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 676575 + ... + 678496.

It is an arithmetic number, because the mean of its divisors is an integer number (224264416).

Almost surely, 2^1302223231 is an apocalyptic number.

1302223231 is a deficient number, since it is larger than the sum of its proper divisors (43363265).

1302223231 is an equidigital number, since it uses as much as digits as its factorization.

1302223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355133 (or 1355102 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1302223231 is about 36086.3302512184. The cubic root of 1302223231 is about 1092.0146873178.

Adding to 1302223231 its reverse (1323222031), we get a palindrome (2625445262).

The spelling of 1302223231 in words is "one billion, three hundred two million, two hundred twenty-three thousand, two hundred thirty-one".