1031320130223 has 8 divisors (see below), whose sum is σ = 1375099650736. Its totient is φ = 687543681600.

The previous prime is 1031320130129. The next prime is 1031320130287. The reversal of 1031320130223 is 3220310231301.

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

It is not a de Polignac number, because 1031320130223 - 2¹² = 1031320126127 is a prime.

It is a super-2 number, since 2×1031320130223² (a number of 25 digits) 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 1031320130223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031320130023) 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, 183963 + ... + 1447923.

It is an arithmetic number, because the mean of its divisors is an integer number (171887456342).

Almost surely, 2^{1031320130223} is an apocalyptic number.

1031320130223 is a deficient number, since it is larger than the sum of its proper divisors (343779520513).

1031320130223 is a wasteful number, since it uses less digits than its factorization.

1031320130223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535945.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1031320130223 its reverse (3220310231301), we get a palindrome (4251630361524).

The spelling of 1031320130223 in words is "one trillion, thirty-one billion, three hundred twenty million, one hundred thirty thousand, two hundred twenty-three".