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122031000131 is a prime number
BaseRepresentation
bin111000110100110011…
…1010100101001000011
3102122222112212002220112
41301221213110221003
53444404414001011
6132021003501535
711550020246405
oct1615147245103
9378875762815
10122031000131
1147831355627
121b797b278ab
13b679bc69b1
145c98d90b75
15329343d58b
hex1c699d4a43

122031000131 has 2 divisors, whose sum is σ = 122031000132. Its totient is φ = 122031000130.

The previous prime is 122031000127. The next prime is 122031000211. The reversal of 122031000131 is 131000130221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122031000131 - 22 = 122031000127 is a prime.

It is a super-2 number, since 2×1220310001312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122031000331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61015500065 + 61015500066.

It is an arithmetic number, because the mean of its divisors is an integer number (61015500066).

Almost surely, 2122031000131 is an apocalyptic number.

122031000131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122031000131 is an equidigital number, since it uses as much as digits as its factorization.

122031000131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 122031000131 its reverse (131000130221), we get a palindrome (253031130352).

The spelling of 122031000131 in words is "one hundred twenty-two billion, thirty-one million, one hundred thirty-one", and thus it is an aban number.