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2313861031 = 4889473279
BaseRepresentation
bin1000100111101010…
…1011011110100111
312222020221022121201
42021322223132213
514214322023111
61021334023331
7111224331346
oct21172533647
95866838551
102313861031
11a88129049
12546aa7b47
132ab4b9251
1417d439b5d
15d820d6c1
hex89eab7a7

2313861031 has 4 divisors (see below), whose sum is σ = 2314339200. Its totient is φ = 2313382864.

The previous prime is 2313861023. The next prime is 2313861037. The reversal of 2313861031 is 1301683132.

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 2313861031 - 23 = 2313861023 is a prime.

It is a super-2 number, since 2×23138610312 = 10707905741560765922, 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 (2313861037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231751 + ... + 241528.

It is an arithmetic number, because the mean of its divisors is an integer number (578584800).

Almost surely, 22313861031 is an apocalyptic number.

2313861031 is a deficient number, since it is larger than the sum of its proper divisors (478169).

2313861031 is an equidigital number, since it uses as much as digits as its factorization.

2313861031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478168.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2313861031 is about 48102.6093990752. The cubic root of 2313861031 is about 1322.6525005226.

The spelling of 2313861031 in words is "two billion, three hundred thirteen million, eight hundred sixty-one thousand, thirty-one".

Divisors: 1 4889 473279 2313861031