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10131020312322 = 23721323611889317
BaseRepresentation
bin1001001101101100111111…
…0111011110111100000010
31022212111221020001201211110
42103123033313132330002
52311441312144443242
633314043153024150
72063641061542200
oct223331767367402
938774836051743
1010131020312322
1132565a593a978
121177562255056
1358647452c850
142704b5d12070
151287e764b39c
hex936cfddef02

10131020312322 has 192 divisors, whose sum is σ = 26921058441984. Its totient is φ = 2513848296960.

The previous prime is 10131020312249. The next prime is 10131020312323. The reversal of 10131020312322 is 22321302013101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10131020312323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4417608 + ... + 6306924.

It is an arithmetic number, because the mean of its divisors is an integer number (140213846052).

Almost surely, 210131020312322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131020312322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13460529220992).

10131020312322 is an abundant number, since it is smaller than the sum of its proper divisors (16790038129662).

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

10131020312322 is a wasteful number, since it uses less digits than its factorization.

10131020312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889433 (or 1889426 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10131020312322 its reverse (22321302013101), we get a palindrome (32452322325423).

The spelling of 10131020312322 in words is "ten trillion, one hundred thirty-one billion, twenty million, three hundred twelve thousand, three hundred twenty-two".