Search a number
-
+
122002315031 is a prime number
BaseRepresentation
bin111000110011111100…
…1111001011100010111
3102122220112212202100102
41301213321321130113
53444330043040111
6132014101004315
711546221365362
oct1614771713427
9378815782312
10122002315031
1147817143033
121b78a3b369b
13b673c9236c
145c952450d9
153290b7413b
hex1c67e79717

122002315031 has 2 divisors, whose sum is σ = 122002315032. Its totient is φ = 122002315030.

The previous prime is 122002315021. The next prime is 122002315037. The reversal of 122002315031 is 130513200221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-122002315031 is a prime.

It is a super-2 number, since 2×1220023150312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122002314994 and 122002315012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122002315037) 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, 61001157515 + 61001157516.

It is an arithmetic number, because the mean of its divisors is an integer number (61001157516).

Almost surely, 2122002315031 is an apocalyptic number.

122002315031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122002315031 is an equidigital number, since it uses as much as digits as its factorization.

122002315031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 122002315031 its reverse (130513200221), we get a palindrome (252515515252).

The spelling of 122002315031 in words is "one hundred twenty-two billion, two million, three hundred fifteen thousand, thirty-one".