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2243400131 = 7883362951
BaseRepresentation
bin1000010110110111…
…1001000111000011
312210100100112102202
42011231321013003
514043302301011
61010335503415
7106410405110
oct20555710703
95710315382
102243400131
11a513827a5
12527387b6b
13299a189cb
14173d37907
15d1e4123b
hex85b791c3

2243400131 has 8 divisors (see below), whose sum is σ = 2566796544. Its totient is φ = 1920731400.

The previous prime is 2243400119. The next prime is 2243400143. The reversal of 2243400131 is 1310043422.

2243400131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2243400119) and next prime (2243400143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2243400131 - 210 = 2243399107 is a prime.

It is a super-2 number, since 2×22434001312 = 10065688295541634322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243400931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175295 + ... + 187656.

It is an arithmetic number, because the mean of its divisors is an integer number (320849568).

Almost surely, 22243400131 is an apocalyptic number.

2243400131 is a deficient number, since it is larger than the sum of its proper divisors (323396413).

2243400131 is an equidigital number, since it uses as much as digits as its factorization.

2243400131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363841.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2243400131 is about 47364.5450838494. The cubic root of 2243400131 is about 1309.0882164123.

Adding to 2243400131 its reverse (1310043422), we get a palindrome (3553443553).

The spelling of 2243400131 in words is "two billion, two hundred forty-three million, four hundred thousand, one hundred thirty-one".

Divisors: 1 7 883 6181 362951 2540657 320485733 2243400131