1030111233231 has 16 divisors (see below), whose sum is σ = 1374496382304. Its totient is φ = 686233626624.

The previous prime is 1030111233161. The next prime is 1030111233233. The reversal of 1030111233231 is 1323321110301.

It is a happy number.

It is not a de Polignac number, because 1030111233231 - 2¹⁷ = 1030111102159 is a prime.

It is a super-2 number, since 2×1030111233231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030111233198 and 1030111233207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030111233233) 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, 28040131 + ... + 28076843.

It is an arithmetic number, because the mean of its divisors is an integer number (85906023894).

Almost surely, 2^{1030111233231} is an apocalyptic number.

1030111233231 is a deficient number, since it is larger than the sum of its proper divisors (344385149073).

1030111233231 is a wasteful number, since it uses less digits than its factorization.

1030111233231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43370.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1030111233231 its reverse (1323321110301), we get a palindrome (2353432343532).

The spelling of 1030111233231 in words is "one trillion, thirty billion, one hundred eleven million, two hundred thirty-three thousand, two hundred thirty-one".