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10920131 is a prime number
BaseRepresentation
bin101001101010…
…000011000011
3202112210121022
4221222003003
510243421011
61030020055
7161551055
oct51520303
922483538
1010920131
116189502
1237a762b
132354621
1416438d5
15e5a8db
hexa6a0c3

10920131 has 2 divisors, whose sum is σ = 10920132. Its totient is φ = 10920130.

The previous prime is 10920113. The next prime is 10920179. The reversal of 10920131 is 13102901.

It is a happy number.

Together with previous prime (10920113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10920131 - 218 = 10657987 is a prime.

It is a super-2 number, since 2×109201312 = 238498522114322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10920181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460065 + 5460066.

It is an arithmetic number, because the mean of its divisors is an integer number (5460066).

Almost surely, 210920131 is an apocalyptic number.

10920131 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920131 is an equidigital number, since it uses as much as digits as its factorization.

10920131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10920131 is about 3304.5621495139. The cubic root of 10920131 is about 221.8584371952.

The spelling of 10920131 in words is "ten million, nine hundred twenty thousand, one hundred thirty-one".