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2031223104 = 2632172329311
BaseRepresentation
bin111100100010010…
…0000000101000000
312020120002211021100
41321010200011000
513124443114404
6533320054400
7101223053151
oct17104400500
95216084240
102031223104
11952632a89
12488304400
13264a89c81
14153aa5928
15bd4cdd39
hex79120140

2031223104 has 336 divisors, whose sum is σ = 6675851520. Its totient is φ = 586629120.

The previous prime is 2031223099. The next prime is 2031223109. The reversal of 2031223104 is 4013221302.

It is an interprime number because it is at equal distance from previous prime (2031223099) and next prime (2031223109).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031223109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6531109 + ... + 6531419.

Almost surely, 22031223104 is an apocalyptic number.

2031223104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031223104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3337925760).

2031223104 is an abundant number, since it is smaller than the sum of its proper divisors (4644628416).

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

2031223104 is a wasteful number, since it uses less digits than its factorization.

2031223104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2031223104 is about 45069.0925579826. The cubic root of 2031223104 is about 1266.4436650202.

Adding to 2031223104 its reverse (4013221302), we get a palindrome (6044444406).

The spelling of 2031223104 in words is "two billion, thirty-one million, two hundred twenty-three thousand, one hundred four".