1030111013 has 4 divisors (see below), whose sum is σ = 1030233900. Its totient is φ = 1029988128.

The previous prime is 1030111007. The next prime is 1030111037. The reversal of 1030111013 is 3101110301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 529828324 + 500282689 = 23018^2 + 22367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030111013 - 2²⁶ = 963002149 is a prime.

It is a super-2 number, since 2×1030111013² = 2122257398207772338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030110985 and 1030111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030111513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47870 + ... + 65967.

It is an arithmetic number, because the mean of its divisors is an integer number (257558475).

Almost surely, 2^1030111013 is an apocalyptic number.

It is an amenable number.

1030111013 is a deficient number, since it is larger than the sum of its proper divisors (122887).

1030111013 is an equidigital number, since it uses as much as digits as its factorization.

1030111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122886.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1030111013 is about 32095.3425437399. The cubic root of 1030111013 is about 1009.9379150152.

Adding to 1030111013 its reverse (3101110301), we get a palindrome (4131221314).

The spelling of 1030111013 in words is "one billion, thirty million, one hundred eleven thousand, thirteen".