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31030132943 is a prime number
BaseRepresentation
bin11100111001100010…
…100100000011001111
32222002112200002010002
4130321202210003033
51002022203223233
622131031234515
72145645530615
oct347142440317
988075602102
1031030132943
1112183779177
12601bb18a3b
132c06922914
14170519b6b5
15c192ad6e8
hex7398a40cf

31030132943 has 2 divisors, whose sum is σ = 31030132944. Its totient is φ = 31030132942.

The previous prime is 31030132933. The next prime is 31030133003. The reversal of 31030132943 is 34923103013.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31030132943 - 24 = 31030132927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31030132933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515066471 + 15515066472.

It is an arithmetic number, because the mean of its divisors is an integer number (15515066472).

Almost surely, 231030132943 is an apocalyptic number.

31030132943 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030132943 is an equidigital number, since it uses as much as digits as its factorization.

31030132943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 31030132943 its reverse (34923103013), we get a palindrome (65953235956).

The spelling of 31030132943 in words is "thirty-one billion, thirty million, one hundred thirty-two thousand, nine hundred forty-three".