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3111131032023 = 37336373440431
BaseRepresentation
bin101101010001011101110…
…111000010100111010111
3102000102101001220122002010
4231101131313002213113
5401433044021011043
610341122303115303
7440525504305020
oct55213567024727
912012331818063
103111131032023
11a9a4723a69a3
12422b5b5a2b33
131974bc454411
14aa8183b5c47
1555ddaca2133
hex2d45ddc29d7

3111131032023 has 16 divisors (see below), whose sum is σ = 4740795954176. Its totient is φ = 1777779839520.

The previous prime is 3111131032001. The next prime is 3111131032027. The reversal of 3111131032023 is 3202301311113.

It is a happy number.

It is not a de Polignac number, because 3111131032023 - 25 = 3111131031991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111131032027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843618 + ... + 7284048.

It is an arithmetic number, because the mean of its divisors is an integer number (296299747136).

Almost surely, 23111131032023 is an apocalyptic number.

3111131032023 is a deficient number, since it is larger than the sum of its proper divisors (1629664922153).

3111131032023 is a wasteful number, since it uses less digits than its factorization.

3111131032023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776814.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 3111131032023 its reverse (3202301311113), we get a palindrome (6313432343136).

The spelling of 3111131032023 in words is "three trillion, one hundred eleven billion, one hundred thirty-one million, thirty-two thousand, twenty-three".

Divisors: 1 3 7 21 336373 440431 1009119 1321293 2354611 3083017 7063833 9249051 148149096763 444447290289 1037043677341 3111131032023