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2153511102131 is a prime number
BaseRepresentation
bin11111010101100111010…
…000111010011010110011
321121212120220001211111022
4133111213100322122303
5240240342320232011
64325150452410055
7311405004225464
oct37254720723263
97555526054438
102153511102131
11760331969a34
122a944661692b
131280c936954c
147633268cd6b
153b03ee5d8db
hex1f56743a6b3

2153511102131 has 2 divisors, whose sum is σ = 2153511102132. Its totient is φ = 2153511102130.

The previous prime is 2153511102103. The next prime is 2153511102209. The reversal of 2153511102131 is 1312011153512.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2153511102131 - 234 = 2136331232947 is a prime.

It is a super-2 number, since 2×21535111021312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2153511102131.

It is not a weakly prime, because it can be changed into another prime (2153511102331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076755551065 + 1076755551066.

It is an arithmetic number, because the mean of its divisors is an integer number (1076755551066).

Almost surely, 22153511102131 is an apocalyptic number.

2153511102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153511102131 is an equidigital number, since it uses as much as digits as its factorization.

2153511102131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 2153511102131 its reverse (1312011153512), we get a palindrome (3465522255643).

The spelling of 2153511102131 in words is "two trillion, one hundred fifty-three billion, five hundred eleven million, one hundred two thousand, one hundred thirty-one".