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23022221312031 = 320811136874907
BaseRepresentation
bin1010011110000010001110…
…10100101100000000011111
310000111220101012001101121120
411033001013110230000133
511004144002123441111
6120544132405302023
74564205051224164
oct517010724540037
9100456335041546
1023022221312031
11737673a8193a7
1226b9a3b404913
13cacca8772586
145983d246406b
1529dcda372406
hex14f04752c01f

23022221312031 has 8 divisors (see below), whose sum is σ = 30696443414784. Its totient is φ = 15348073375320.

The previous prime is 23022221312003. The next prime is 23022221312033. The reversal of 23022221312031 is 13021312222032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23022221312031 - 231 = 23020073828383 is a prime.

It is a super-2 number, since 2×230222213120312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23022221311992 and 23022221312010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022221312033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17813121 + ... + 19061786.

It is an arithmetic number, because the mean of its divisors is an integer number (3837055426848).

Almost surely, 223022221312031 is an apocalyptic number.

23022221312031 is a deficient number, since it is larger than the sum of its proper divisors (7674222102753).

23022221312031 is a wasteful number, since it uses less digits than its factorization.

23022221312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37083021.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23022221312031 its reverse (13021312222032), we get a palindrome (36043533534063).

The spelling of 23022221312031 in words is "twenty-three trillion, twenty-two billion, two hundred twenty-one million, three hundred twelve thousand, thirty-one".

Divisors: 1 3 208111 624333 36874907 110624721 7674073770677 23022221312031