1230513111 has 6 divisors (see below), whose sum is σ = 1777407840. Its totient is φ = 820342068.

The previous prime is 1230513083. The next prime is 1230513139. The reversal of 1230513111 is 1113150321.

1230513111 is a `hidden beast` number, since 12 + 30 + 513 + 111 = 666.

It is an interprime number because it is at equal distance from previous prime (1230513083) and next prime (1230513139).

It is not a de Polignac number, because 1230513111 - 2⁵ = 1230513079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230513311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68361831 + ... + 68361848.

It is an arithmetic number, because the mean of its divisors is an integer number (296234640).

Almost surely, 2^1230513111 is an apocalyptic number.

1230513111 is a deficient number, since it is larger than the sum of its proper divisors (546894729).

1230513111 is a wasteful number, since it uses less digits than its factorization.

1230513111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136723685 (or 136723682 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1230513111 is about 35078.6703140242. The cubic root of 1230513111 is about 1071.5902376776.

Adding to 1230513111 its reverse (1113150321), we get a palindrome (2343663432).

The spelling of 1230513111 in words is "one billion, two hundred thirty million, five hundred thirteen thousand, one hundred eleven".