1031000201123 has 16 divisors (see below), whose sum is σ = 1084555650816. Its totient is φ = 978202468320.

The previous prime is 1031000201107. The next prime is 1031000201149. The reversal of 1031000201123 is 3211020001301.

It is a cyclic number.

It is not a de Polignac number, because 1031000201123 - 2⁴ = 1031000201107 is a prime.

It is a super-2 number, since 2×1031000201123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031000201098 and 1031000201107.

It is not an unprimeable number, because it can be changed into a prime (1031000201183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156040 + ... + 1843482.

It is an arithmetic number, because the mean of its divisors is an integer number (67784728176).

Almost surely, 2^{1031000201123} is an apocalyptic number.

1031000201123 is a deficient number, since it is larger than the sum of its proper divisors (53555449693).

1031000201123 is a wasteful number, since it uses less digits than its factorization.

1031000201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687994.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1031000201123 its reverse (3211020001301), we get a palindrome (4242020202424).

The spelling of 1031000201123 in words is "one trillion, thirty-one billion, two hundred one thousand, one hundred twenty-three".