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2320213131000 = 2332533797109659
BaseRepresentation
bin100001110000110111011…
…110101011111011111000
322012210212122100022201200
4201300313132223323320
5301003244030143000
64533520255414200
7326426021131452
oct41606736537370
98183778308650
102320213131000
11814aa6908626
1231580a824360
1313aa44c7190b
14804283172d2
1540549ea7500
hex21c377abef8

2320213131000 has 768 divisors, whose sum is σ = 8224424208000. Its totient is φ = 589433241600.

The previous prime is 2320213130999. The next prime is 2320213131073. The reversal of 2320213131000 is 1313120232.

2320213131000 is a `hidden beast` number, since 2 + 320 + 2 + 1 + 31 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×23202131310002 (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3520808671 + ... + 3520809329.

Almost surely, 22320213131000 is an apocalyptic number.

2320213131000 is a gapful number since it is divisible by the number (20) 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 2320213131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4112212104000).

2320213131000 is an abundant number, since it is smaller than the sum of its proper divisors (5904211077000).

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

2320213131000 is a wasteful number, since it uses less digits than its factorization.

2320213131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2320213131000 its reverse (1313120232), we get a palindrome (2321526251232).

The spelling of 2320213131000 in words is "two trillion, three hundred twenty billion, two hundred thirteen million, one hundred thirty-one thousand".