1023031312 has 20 divisors (see below), whose sum is σ = 1993997376. Its totient is φ = 508451360.

The previous prime is 1023031223. The next prime is 1023031333. The reversal of 1023031312 is 2131303201.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 188764 + ... + 194107.

Almost surely, 2^1023031312 is an apocalyptic number.

It is an amenable number.

1023031312 is a deficient number, since it is larger than the sum of its proper divisors (970966064).

1023031312 is a wasteful number, since it uses less digits than its factorization.

1023031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383046 (or 383040 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023031312 is about 31984.8606687602. The cubic root of 1023031312 is about 1007.6189088083.

Adding to 1023031312 its reverse (2131303201), we get a palindrome (3154334513).

The spelling of 1023031312 in words is "one billion, twenty-three million, thirty-one thousand, three hundred twelve".