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31220303027 is a prime number
BaseRepresentation
bin11101000100111000…
…000000010010110011
32222120210111201102112
4131010320000102303
51002414344144102
622201543235535
72153445124424
oct350470002263
988523451375
1031220303027
1112271057831
126073748bab
132c371478b4
14172254164b
15c2ad25252
hex744e004b3

31220303027 has 2 divisors, whose sum is σ = 31220303028. Its totient is φ = 31220303026.

The previous prime is 31220302999. The next prime is 31220303033. The reversal of 31220303027 is 72030302213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31220303027 - 234 = 14040433843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31220302993 and 31220303011.

It is not a weakly prime, because it can be changed into another prime (31220303227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15610151513 + 15610151514.

It is an arithmetic number, because the mean of its divisors is an integer number (15610151514).

Almost surely, 231220303027 is an apocalyptic number.

31220303027 is a deficient number, since it is larger than the sum of its proper divisors (1).

31220303027 is an equidigital number, since it uses as much as digits as its factorization.

31220303027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The spelling of 31220303027 in words is "thirty-one billion, two hundred twenty million, three hundred three thousand, twenty-seven".