1113020031 has 8 divisors (see below), whose sum is σ = 1492318080. Its totient is φ = 737867672.

The previous prime is 1113019991. The next prime is 1113020033. The reversal of 1113020031 is 1300203111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1113020031 - 2¹⁸ = 1112757887 is a prime.

It is a super-2 number, since 2×1113020031² = 2477627178814481922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113019989 and 1113020016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113020033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035795 + ... + 1036868.

It is an arithmetic number, because the mean of its divisors is an integer number (186539760).

Almost surely, 2^1113020031 is an apocalyptic number.

1113020031 is a deficient number, since it is larger than the sum of its proper divisors (379298049).

1113020031 is a wasteful number, since it uses less digits than its factorization.

1113020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072845.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1113020031 is about 33361.9548438037. The cubic root of 1113020031 is about 1036.3369750878.

Adding to 1113020031 its reverse (1300203111), we get a palindrome (2413223142).

The spelling of 1113020031 in words is "one billion, one hundred thirteen million, twenty thousand, thirty-one".