1031340423 has 16 divisors (see below), whose sum is σ = 1426388480. Its totient is φ = 662364864.

The previous prime is 1031340421. The next prime is 1031340433. The reversal of 1031340423 is 3240431301.

1031340423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031340423 - 2¹ = 1031340421 is a prime.

It is a super-2 number, since 2×1031340423² = 2127326136227637858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031340423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031340421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45343 + ... + 64176.

It is an arithmetic number, because the mean of its divisors is an integer number (89149280).

Almost surely, 2^1031340423 is an apocalyptic number.

1031340423 is a deficient number, since it is larger than the sum of its proper divisors (395048057).

1031340423 is a wasteful number, since it uses less digits than its factorization.

1031340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109638.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1031340423 is about 32114.4893000029. The cubic root of 1031340423 is about 1010.3395332660.

Adding to 1031340423 its reverse (3240431301), we get a palindrome (4271771724).

The spelling of 1031340423 in words is "one billion, thirty-one million, three hundred forty thousand, four hundred twenty-three".