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31242102041 is a prime number
BaseRepresentation
bin11101000110001011…
…001010010100011001
32222122022112020001102
4131012023022110121
51002440434231131
622204042401145
72154131325413
oct350613122431
988568466042
1031242102041
1112282396747
12607ab001b5
132c3b80ab17
1417253b79b3
15c2cbce1cb
hex7462ca519

31242102041 has 2 divisors, whose sum is σ = 31242102042. Its totient is φ = 31242102040.

The previous prime is 31242102011. The next prime is 31242102071. The reversal of 31242102041 is 14020124213.

It is a balanced prime because it is at equal distance from previous prime (31242102011) and next prime (31242102071).

It can be written as a sum of positive squares in only one way, i.e., 26836992400 + 4405109641 = 163820^2 + 66371^2 .

It is a cyclic number.

It is not a de Polignac number, because 31242102041 - 214 = 31242085657 is a prime.

It is a super-3 number, since 3×312421020413 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (31242102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15621051020 + 15621051021.

It is an arithmetic number, because the mean of its divisors is an integer number (15621051021).

Almost surely, 231242102041 is an apocalyptic number.

It is an amenable number.

31242102041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31242102041 is an equidigital number, since it uses as much as digits as its factorization.

31242102041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 31242102041 its reverse (14020124213), we get a palindrome (45262226254).

The spelling of 31242102041 in words is "thirty-one billion, two hundred forty-two million, one hundred two thousand, forty-one".