1020302312 has 32 divisors (see below), whose sum is σ = 1956561480. Its totient is φ = 498677760.

The previous prime is 1020302267. The next prime is 1020302321. The reversal of 1020302312 is 2132030201.

It is a happy number.

1020302312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 452242756 + 568059556 = 21266^2 + 23834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58262 + ... + 73722.

Almost surely, 2^1020302312 is an apocalyptic number.

It is an amenable number.

1020302312 is a deficient number, since it is larger than the sum of its proper divisors (936259168).

1020302312 is a wasteful number, since it uses less digits than its factorization.

1020302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15653 (or 15649 counting only the distinct ones).

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

The square root of 1020302312 is about 31942.1713726541. The cubic root of 1020302312 is about 1006.7221487970.

Adding to 1020302312 its reverse (2132030201), we get a palindrome (3152332513).

The spelling of 1020302312 in words is "one billion, twenty million, three hundred two thousand, three hundred twelve".