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122310323131 is a prime number
BaseRepresentation
bin111000111101001000…
…0110110101110111011
3102200201000110012000211
41301322100312232323
54000442420320011
6132104422411551
711556651410233
oct1617220665673
9380630405024
10122310323131
1147964a97087
121b855590bb7
13b6c2a35189
145cc4100cc3
1532acc15b21
hex1c7a436bbb

122310323131 has 2 divisors, whose sum is σ = 122310323132. Its totient is φ = 122310323130.

The previous prime is 122310323123. The next prime is 122310323143. The reversal of 122310323131 is 131323013221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122310323131 - 23 = 122310323123 is a prime.

It is a super-2 number, since 2×1223103231312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122310323731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155161565 + 61155161566.

It is an arithmetic number, because the mean of its divisors is an integer number (61155161566).

Almost surely, 2122310323131 is an apocalyptic number.

122310323131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122310323131 is an equidigital number, since it uses as much as digits as its factorization.

122310323131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 122310323131 its reverse (131323013221), we get a palindrome (253633336352).

The spelling of 122310323131 in words is "one hundred twenty-two billion, three hundred ten million, three hundred twenty-three thousand, one hundred thirty-one".