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113022031 = 731548247
BaseRepresentation
bin1101011110010…
…01010001001111
321212200010002011
412233021101033
5212413201111
615114242051
72541446203
oct657112117
9255603064
10113022031
1158886141
1231a26327
131a552a55
1411020b03
159dc8021
hex6bc944f

113022031 has 4 divisors (see below), whose sum is σ = 114570352. Its totient is φ = 111473712.

The previous prime is 113021983. The next prime is 113022047. The reversal of 113022031 is 130220311.

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

It is a cyclic number.

It is not a de Polignac number, because 113022031 - 211 = 113019983 is a prime.

It is a super-2 number, since 2×1130220312 = 25547958982729922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113022071) 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, 774051 + ... + 774196.

It is an arithmetic number, because the mean of its divisors is an integer number (28642588).

Almost surely, 2113022031 is an apocalyptic number.

113022031 is a deficient number, since it is larger than the sum of its proper divisors (1548321).

113022031 is an equidigital number, since it uses as much as digits as its factorization.

113022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548320.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 113022031 is about 10631.1820133041. The cubic root of 113022031 is about 483.4902297878.

Adding to 113022031 its reverse (130220311), we get a palindrome (243242342).

The spelling of 113022031 in words is "one hundred thirteen million, twenty-two thousand, thirty-one".

Divisors: 1 73 1548247 113022031