1031343412 has 12 divisors (see below), whose sum is σ = 1968928416. Its totient is φ = 468792440.

The previous prime is 1031343367. The next prime is 1031343413. The reversal of 1031343412 is 2143431301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031343413) 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, 11719768 + ... + 11719855.

It is an arithmetic number, because the mean of its divisors is an integer number (164077368).

Almost surely, 2^1031343412 is an apocalyptic number.

It is an amenable number.

1031343412 is a deficient number, since it is larger than the sum of its proper divisors (937585004).

1031343412 is a wasteful number, since it uses less digits than its factorization.

1031343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23439638 (or 23439636 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1031343412 is about 32114.5358365959. The cubic root of 1031343412 is about 1010.3405093103.

Adding to 1031343412 its reverse (2143431301), we get a palindrome (3174774713).

It can be divided in two parts, 1031 and 343412, that added together give a palindrome (344443).

The spelling of 1031343412 in words is "one billion, thirty-one million, three hundred forty-three thousand, four hundred twelve".