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240102131 is a prime number
BaseRepresentation
bin11100100111110…
…10101011110011
3121201210110012112
432103322223303
5442431232011
635454115535
75643556133
oct1623725363
9551713175
10240102131
11113593315
12684abbab
133a988489
1423c60ac3
151612b58b
hexe4faaf3

240102131 has 2 divisors, whose sum is σ = 240102132. Its totient is φ = 240102130.

The previous prime is 240102127. The next prime is 240102133. The reversal of 240102131 is 131201042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240102131 - 22 = 240102127 is a prime.

It is a super-2 number, since 2×2401021312 = 115298066621482322, which contains 22 as substring.

Together with 240102133, 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 (240102133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120051065 + 120051066.

It is an arithmetic number, because the mean of its divisors is an integer number (120051066).

Almost surely, 2240102131 is an apocalyptic number.

240102131 is a deficient number, since it is larger than the sum of its proper divisors (1).

240102131 is an equidigital number, since it uses as much as digits as its factorization.

240102131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 240102131 is about 15495.2292980775. The cubic root of 240102131 is about 621.5346400127.

Adding to 240102131 its reverse (131201042), we get a palindrome (371303173).

The spelling of 240102131 in words is "two hundred forty million, one hundred two thousand, one hundred thirty-one".