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23221230333131 = 225143103139917
BaseRepresentation
bin1010100011110100111010…
…01011110110110011001011
310001012221001110122010121202
411101322131023312303023
511020424034431130011
6121215404055254415
74614451510051655
oct521723513666313
9101187043563552
1023221230333131
117443083168476
12273051b07a40b
13cc59a26926ac
145a3cb0aa56d5
152a40867e823b
hex151e9d2f6ccb

23221230333131 has 4 divisors (see below), whose sum is σ = 23221333698192. Its totient is φ = 23221126968072.

The previous prime is 23221230333073. The next prime is 23221230333199. The reversal of 23221230333131 is 13133303212232.

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 23221230333131 - 214 = 23221230316747 is a prime.

It is a super-2 number, since 2×232212303331312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23221230333094 and 23221230333103.

It is not an unprimeable number, because it can be changed into a prime (23221230333331) 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, 51344816 + ... + 51795101.

It is an arithmetic number, because the mean of its divisors is an integer number (5805333424548).

Almost surely, 223221230333131 is an apocalyptic number.

23221230333131 is a deficient number, since it is larger than the sum of its proper divisors (103365061).

23221230333131 is a wasteful number, since it uses less digits than its factorization.

23221230333131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103365060.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 23221230333131 its reverse (13133303212232), we get a palindrome (36354533545363).

The spelling of 23221230333131 in words is "twenty-three trillion, two hundred twenty-one billion, two hundred thirty million, three hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 225143 103139917 23221230333131