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23122000302031 = 136337169594463
BaseRepresentation
bin1010100000111100000101…
…00111010100111111001111
310000212102220221211021010201
411100132002213110333033
511012312324034131111
6121102033355314331
74604336502521521
oct520360247247717
9100772827737121
1023122000302031
117404a92421404
12271524714b9a7
13cb951a54c967
1459d179dd3a11
152a16c9ea26c1
hex1507829d4fcf

23122000302031 has 4 divisors (see below), whose sum is σ = 23122170032832. Its totient is φ = 23121830571232.

The previous prime is 23122000301999. The next prime is 23122000302053. The reversal of 23122000302031 is 13020300022132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23122000302031 - 25 = 23122000301999 is a prime.

It is a super-2 number, since 2×231220003020312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122000300031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84660895 + ... + 84933568.

It is an arithmetic number, because the mean of its divisors is an integer number (5780542508208).

Almost surely, 223122000302031 is an apocalyptic number.

23122000302031 is a deficient number, since it is larger than the sum of its proper divisors (169730801).

23122000302031 is a wasteful number, since it uses less digits than its factorization.

23122000302031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169730800.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23122000302031 its reverse (13020300022132), we get a palindrome (36142300324163).

The spelling of 23122000302031 in words is "twenty-three trillion, one hundred twenty-two billion, three hundred two thousand, thirty-one".

Divisors: 1 136337 169594463 23122000302031