1031023212 has 24 divisors (see below), whose sum is σ = 2461669056. Its totient is φ = 335681808.

The previous prime is 1031023199. The next prime is 1031023219. The reversal of 1031023212 is 2123201301.

It is a junction number, because it is equal to n+sod(n) for n = 1031023191 and 1031023200.

It is not an unprimeable number, because it can be changed into a prime (1031023219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998538 + ... + 999569.

It is an arithmetic number, because the mean of its divisors is an integer number (102569544).

Almost surely, 2^1031023212 is an apocalyptic number.

1031023212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031023212 is an abundant number, since it is smaller than the sum of its proper divisors (1430645844).

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

1031023212 is a wasteful number, since it uses less digits than its factorization.

1031023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998157 (or 1998155 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1031023212 is about 32109.5501681353. The cubic root of 1031023212 is about 1010.2359387366.

Adding to 1031023212 its reverse (2123201301), we get a palindrome (3154224513).

The spelling of 1031023212 in words is "one billion, thirty-one million, twenty-three thousand, two hundred twelve".