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2331431144 = 23741632699
BaseRepresentation
bin1000101011110110…
…1101000011101000
320000110222222021122
42022331231003220
514233321244034
61023202354412
7111526560230
oct21275550350
96013888248
102331431144
11a970397a9
1255095ba08
132b202b673
141818d0cc0
15d9a2e62e
hex8af6d0e8

2331431144 has 16 divisors (see below), whose sum is σ = 4995924000. Its totient is φ = 999184752.

The previous prime is 2331431131. The next prime is 2331431159. The reversal of 2331431144 is 4411341332.

It is a happy number.

2331431144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20816294 + ... + 20816405.

It is an arithmetic number, because the mean of its divisors is an integer number (312245250).

Almost surely, 22331431144 is an apocalyptic number.

It is an amenable number.

2331431144 is an abundant number, since it is smaller than the sum of its proper divisors (2664492856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331431144 is a wasteful number, since it uses less digits than its factorization.

2331431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41632712 (or 41632708 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 2331431144 is about 48284.8956092897. The cubic root of 2331431144 is about 1325.9918798751.

Adding to 2331431144 its reverse (4411341332), we get a palindrome (6742772476).

The spelling of 2331431144 in words is "two billion, three hundred thirty-one million, four hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 41632699 83265398 166530796 291428893 333061592 582857786 1165715572 2331431144