1030231111 has 16 divisors (see below), whose sum is σ = 1323108864. Its totient is φ = 779685984.

The previous prime is 1030231079. The next prime is 1030231121. The reversal of 1030231111 is 1111320301.

It is not a de Polignac number, because 1030231111 - 2⁵ = 1030231079 is a prime.

It is a super-2 number, since 2×1030231111² = 2122752284144588642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1030231091 and 1030231100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030231121) 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, 244021 + ... + 248206.

It is an arithmetic number, because the mean of its divisors is an integer number (82694304).

Almost surely, 2^1030231111 is an apocalyptic number.

1030231111 is a deficient number, since it is larger than the sum of its proper divisors (292877753).

1030231111 is a wasteful number, since it uses less digits than its factorization.

1030231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492270.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1030231111 is about 32097.2134460299. The cubic root of 1030231111 is about 1009.9771621801.

Adding to 1030231111 its reverse (1111320301), we get a palindrome (2141551412).

The spelling of 1030231111 in words is "one billion, thirty million, two hundred thirty-one thousand, one hundred eleven".