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202310112031 is a prime number
BaseRepresentation
bin1011110001101010011…
…1110101001100011111
3201100012100011112110021
42330122213311030133
511303312342041111
6232535011453011
720421301402336
oct2743247651437
9640170145407
10202310112031
11788878695a5
12332612b7167
1316101ac4b81
149b12c22d1d
1553e1191d71
hex2f1a9f531f

202310112031 has 2 divisors, whose sum is σ = 202310112032. Its totient is φ = 202310112030.

The previous prime is 202310112029. The next prime is 202310112149. The reversal of 202310112031 is 130211013202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202310112031 - 21 = 202310112029 is a prime.

It is a super-2 number, since 2×2023101120312 (a number of 23 digits) contains 22 as substring.

Together with 202310112029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 202310111996 and 202310112014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202310115031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101155056015 + 101155056016.

It is an arithmetic number, because the mean of its divisors is an integer number (101155056016).

Almost surely, 2202310112031 is an apocalyptic number.

202310112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

202310112031 is an equidigital number, since it uses as much as digits as its factorization.

202310112031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202310112031 its reverse (130211013202), we get a palindrome (332521125233).

The spelling of 202310112031 in words is "two hundred two billion, three hundred ten million, one hundred twelve thousand, thirty-one".