1302233213 has 4 divisors (see below), whose sum is σ = 1344240768. Its totient is φ = 1260225660.

The previous prime is 1302233209. The next prime is 1302233221. The reversal of 1302233213 is 3123322031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1302233213 - 2² = 1302233209 is a prime.

It is a super-2 number, since 2×1302233213² = 3391622682080606738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302232213) 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, 21003731 + ... + 21003792.

It is an arithmetic number, because the mean of its divisors is an integer number (336060192).

Almost surely, 2^1302233213 is an apocalyptic number.

It is an amenable number.

1302233213 is a deficient number, since it is larger than the sum of its proper divisors (42007555).

1302233213 is an equidigital number, since it uses as much as digits as its factorization.

1302233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42007554.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1302233213 is about 36086.4685581729. The cubic root of 1302233213 is about 1092.0174775365.

Adding to 1302233213 its reverse (3123322031), we get a palindrome (4425555244).

The spelling of 1302233213 in words is "one billion, three hundred two million, two hundred thirty-three thousand, two hundred thirteen".