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120012311031031 is a prime number
BaseRepresentation
bin11011010010011010001011…
…001010101110110011110111
3120201221001202022011012122201
4123102122023022232303313
5111212240203110443111
61103124521121005331
734164413642212666
oct3322321312566367
9521831668135581
10120012311031031
113526aa31954021
1211563234183847
1351c715cb52213
14218c8ac0d2ddd
15dd1be03636c1
hex6d268b2aecf7

120012311031031 has 2 divisors, whose sum is σ = 120012311031032. Its totient is φ = 120012311031030.

The previous prime is 120012311030971. The next prime is 120012311031073. The reversal of 120012311031031 is 130130113210021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120012311031031 - 213 = 120012311022839 is a prime.

It is a super-2 number, since 2×1200123110310312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120012311061031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006155515515 + 60006155515516.

It is an arithmetic number, because the mean of its divisors is an integer number (60006155515516).

Almost surely, 2120012311031031 is an apocalyptic number.

120012311031031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012311031031 is an equidigital number, since it uses as much as digits as its factorization.

120012311031031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 120012311031031 its reverse (130130113210021), we get a palindrome (250142424241052).

The spelling of 120012311031031 in words is "one hundred twenty trillion, twelve billion, three hundred eleven million, thirty-one thousand, thirty-one".