1031330423 has 8 divisors (see below), whose sum is σ = 1041530160. Its totient is φ = 1021144320.

The previous prime is 1031330411. The next prime is 1031330429. The reversal of 1031330423 is 3240331301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031330423 - 2¹⁶ = 1031264887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031330395 and 1031330404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031330429) 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, 217508 + ... + 222198.

It is an arithmetic number, because the mean of its divisors is an integer number (130191270).

Almost surely, 2^1031330423 is an apocalyptic number.

1031330423 is a deficient number, since it is larger than the sum of its proper divisors (10199737).

1031330423 is a wasteful number, since it uses less digits than its factorization.

1031330423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1031330423 is about 32114.3336066623. Note that the first 3 decimals coincide. The cubic root of 1031330423 is about 1010.3362677978.

Adding to 1031330423 its reverse (3240331301), we get a palindrome (4271661724).

The spelling of 1031330423 in words is "one billion, thirty-one million, three hundred thirty thousand, four hundred twenty-three".