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23103131212267 is a prime number
BaseRepresentation
bin1010100000011000111011…
…11011011101100111101011
310000210122012221022012002021
411100030131323131213223
511012010203042243032
6121045233145245311
74603101062100151
oct520143573354753
9100718187265067
1023103131212267
1173a7a8a2a9a47
12271165ba93837
13cb78012590a2
1459c2a9db53d1
152a0e73676097
hex15031dedd9eb

23103131212267 has 2 divisors, whose sum is σ = 23103131212268. Its totient is φ = 23103131212266.

The previous prime is 23103131212243. The next prime is 23103131212297. The reversal of 23103131212267 is 76221213130132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23103131212267 - 223 = 23103122823659 is a prime.

It is a super-2 number, since 2×231031312122672 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23103131212297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11551565606133 + 11551565606134.

It is an arithmetic number, because the mean of its divisors is an integer number (11551565606134).

Almost surely, 223103131212267 is an apocalyptic number.

23103131212267 is a deficient number, since it is larger than the sum of its proper divisors (1).

23103131212267 is an equidigital number, since it uses as much as digits as its factorization.

23103131212267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 23103131212267 its reverse (76221213130132), we get a palindrome (99324344342399).

The spelling of 23103131212267 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-one million, two hundred twelve thousand, two hundred sixty-seven".