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100631031041 is a prime number
BaseRepresentation
bin101110110111000010…
…0111010110100000001
3100121202011001001002202
41131232010322310001
53122043020443131
6114121304122545
710161505436102
oct1355604726401
9317664031082
10100631031041
113974a659062
1217605166455
1396494816a8
144c28ba43a9
15293e836bcb
hex176e13ad01

100631031041 has 2 divisors, whose sum is σ = 100631031042. Its totient is φ = 100631031040.

The previous prime is 100631031023. The next prime is 100631031043. The reversal of 100631031041 is 140130136001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80579338225 + 20051692816 = 283865^2 + 141604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100631031041 is a prime.

Together with 100631031043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100631031043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50315515520 + 50315515521.

It is an arithmetic number, because the mean of its divisors is an integer number (50315515521).

Almost surely, 2100631031041 is an apocalyptic number.

It is an amenable number.

100631031041 is a deficient number, since it is larger than the sum of its proper divisors (1).

100631031041 is an equidigital number, since it uses as much as digits as its factorization.

100631031041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 100631031041 its reverse (140130136001), we get a palindrome (240761167042).

The spelling of 100631031041 in words is "one hundred billion, six hundred thirty-one million, thirty-one thousand, forty-one".