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120020032031 is a prime number
BaseRepresentation
bin110111111000111000…
…0000101101000011111
3102110210101212100021112
41233301300011220133
53431300112011111
6131045245452235
711446131303554
oct1576160055037
9373711770245
10120020032031
114699a1a7519
121b31657107b
13b4193ac243
145b47c7ca2b
1531c6b10e8b
hex1bf1c05a1f

120020032031 has 2 divisors, whose sum is σ = 120020032032. Its totient is φ = 120020032030.

The previous prime is 120020032007. The next prime is 120020032051. The reversal of 120020032031 is 130230020021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120020032031 - 218 = 120019769887 is a prime.

It is a super-2 number, since 2×1200200320312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120020031997 and 120020032015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020032051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010016015 + 60010016016.

It is an arithmetic number, because the mean of its divisors is an integer number (60010016016).

Almost surely, 2120020032031 is an apocalyptic number.

120020032031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020032031 is an equidigital number, since it uses as much as digits as its factorization.

120020032031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 120020032031 its reverse (130230020021), we get a palindrome (250250052052).

The spelling of 120020032031 in words is "one hundred twenty billion, twenty million, thirty-two thousand, thirty-one".