1031203412 has 12 divisors (see below), whose sum is σ = 1811122740. Its totient is φ = 513739776.

The previous prime is 1031203387. The next prime is 1031203417. The reversal of 1031203412 is 2143021301.

It can be written as a sum of positive squares in 2 ways, for example, as 502387396 + 528816016 = 22414^2 + 22996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031203417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464237 + ... + 466452.

It is an arithmetic number, because the mean of its divisors is an integer number (150926895).

Almost surely, 2^1031203412 is an apocalyptic number.

It is an amenable number.

1031203412 is a deficient number, since it is larger than the sum of its proper divisors (779919328).

1031203412 is a wasteful number, since it uses less digits than its factorization.

1031203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930970 (or 930968 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1031203412 is about 32112.3560642940. The cubic root of 1031203412 is about 1010.2947909232.

Adding to 1031203412 its reverse (2143021301), we get a palindrome (3174224713).

The spelling of 1031203412 in words is "one billion, thirty-one million, two hundred three thousand, four hundred twelve".