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2200131031 = 7719194817
BaseRepresentation
bin1000001100100011…
…0101010111010111
312200022221020101111
42003020311113113
514001213143111
61002152235451
7105343543120
oct20310652727
95608836344
102200131031
11a29a0a00a
1251499bb87
13290a791a7
1416c2b3047
15cd245a21
hex832355d7

2200131031 has 16 divisors (see below), whose sum is σ = 2553154560. Its totient is φ = 1856856960.

The previous prime is 2200131029. The next prime is 2200131107. The reversal of 2200131031 is 1301310022.

2200131031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2200131031 - 21 = 2200131029 is a prime.

It is a super-2 number, since 2×22001310312 = 9681153107138245922, 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 (2200131001) 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, 454335 + ... + 459151.

It is an arithmetic number, because the mean of its divisors is an integer number (159572160).

Almost surely, 22200131031 is an apocalyptic number.

2200131031 is a deficient number, since it is larger than the sum of its proper divisors (353023529).

2200131031 is an equidigital number, since it uses as much as digits as its factorization.

2200131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814.

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

The square root of 2200131031 is about 46905.5543725900. The cubic root of 2200131031 is about 1300.6172672172.

Adding to 2200131031 its reverse (1301310022), we get a palindrome (3501441053).

The spelling of 2200131031 in words is "two billion, two hundred million, one hundred thirty-one thousand, thirty-one".

Divisors: 1 7 71 497 919 4817 6433 33719 65249 342007 456743 2394049 4426823 30987761 314304433 2200131031