1022030312 has 16 divisors (see below), whose sum is σ = 1935281700. Its totient is φ = 505955200.

The previous prime is 1022030309. The next prime is 1022030353. The reversal of 1022030312 is 2130302201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1021058116 + 972196 = 31954^2 + 986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631637 + ... + 633252.

Almost surely, 2^1022030312 is an apocalyptic number.

It is an amenable number.

1022030312 is a deficient number, since it is larger than the sum of its proper divisors (913251388).

1022030312 is a wasteful number, since it uses less digits than its factorization.

1022030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264996 (or 1264992 counting only the distinct ones).

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

The square root of 1022030312 is about 31969.2088109794. The cubic root of 1022030312 is about 1007.2901617266.

Adding to 1022030312 its reverse (2130302201), we get a palindrome (3152332513).

The spelling of 1022030312 in words is "one billion, twenty-two million, thirty thousand, three hundred twelve".