1002302312 has 64 divisors (see below), whose sum is σ = 2097446400. Its totient is φ = 445199040.

The previous prime is 1002302299. The next prime is 1002302317. The reversal of 1002302312 is 2132032001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1002302317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818933 + ... + 820155.

It is an arithmetic number, because the mean of its divisors is an integer number (32772600).

Almost surely, 2^1002302312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002302312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048723200).

1002302312 is an abundant number, since it is smaller than the sum of its proper divisors (1095144088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002302312 is a wasteful number, since it uses less digits than its factorization.

1002302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002302312 is about 31659.1584221691. The cubic root of 1002302312 is about 1000.7668491254.

Adding to 1002302312 its reverse (2132032001), we get a palindrome (3134334313).

The spelling of 1002302312 in words is "one billion, two million, three hundred two thousand, three hundred twelve".