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111233200031 = 195854378949
BaseRepresentation
bin110011110011000000…
…0111110111110011111
3101122010000220000210022
41213212000332332133
53310301144400111
6123033321302355
711015314412552
oct1474600767637
9348100800708
10111233200031
11431a0272598
12196839349bb
13a648b46a75
145552cb6699
152d604e02db
hex19e603ef9f

111233200031 has 4 divisors (see below), whose sum is σ = 117087579000. Its totient is φ = 105378821064.

The previous prime is 111233200009. The next prime is 111233200061. The reversal of 111233200031 is 130002332111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130002332111 = 337529385159.

It is a cyclic number.

It is not a de Polignac number, because 111233200031 - 26 = 111233199967 is a prime.

It is a super-2 number, since 2×1112332000312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111233199982 and 111233200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111233200061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2927189456 + ... + 2927189493.

It is an arithmetic number, because the mean of its divisors is an integer number (29271894750).

Almost surely, 2111233200031 is an apocalyptic number.

111233200031 is a deficient number, since it is larger than the sum of its proper divisors (5854378969).

111233200031 is an equidigital number, since it uses as much as digits as its factorization.

111233200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5854378968.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 111233200031 its reverse (130002332111), we get a palindrome (241235532142).

The spelling of 111233200031 in words is "one hundred eleven billion, two hundred thirty-three million, two hundred thousand, thirty-one".

Divisors: 1 19 5854378949 111233200031