1113020113 has 6 divisors (see below), whose sum is σ = 1137207506. Its totient is φ = 1089336672.

The previous prime is 1113020089. The next prime is 1113020119. The reversal of 1113020113 is 3110203111.

It can be written as a sum of positive squares in only one way, i.e., 702674064 + 410346049 = 26508^2 + 20257^2 .

It is not a de Polignac number, because 1113020113 - 2²¹ = 1110922961 is a prime.

It is a super-3 number, since 3×1113020113³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113020093 and 1113020102.

It is not an unprimeable number, because it can be changed into a prime (1113020119) 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, 249720 + ... + 254137.

Almost surely, 2^1113020113 is an apocalyptic number.

It is an amenable number.

1113020113 is a deficient number, since it is larger than the sum of its proper divisors (24187393).

1113020113 is an frugal number, since it uses more digits than its factorization.

1113020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503951 (or 503904 counting only the distinct ones).

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

The square root of 1113020113 is about 33361.9560727485. The cubic root of 1113020113 is about 1036.3370005380.

Adding to 1113020113 its reverse (3110203111), we get a palindrome (4223223224).

The spelling of 1113020113 in words is "one billion, one hundred thirteen million, twenty thousand, one hundred thirteen".