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1402230131 is a prime number
BaseRepresentation
bin101001110010100…
…0101010101110011
310121201112200010022
41103211011111303
510332432331011
6351050354055
746514521331
oct12345052563
93551480108
101402230131
1165a582285
1233172b92b
1319467c893
14d4332b51
15831858db
hex53945573

1402230131 has 2 divisors, whose sum is σ = 1402230132. Its totient is φ = 1402230130.

The previous prime is 1402230103. The next prime is 1402230133. The reversal of 1402230131 is 1310322041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1402230131 - 226 = 1335121267 is a prime.

It is a super-2 number, since 2×14022301312 = 3932498680568554322, which contains 22 as substring.

Together with 1402230133, 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 (1402230133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701115065 + 701115066.

It is an arithmetic number, because the mean of its divisors is an integer number (701115066).

Almost surely, 21402230131 is an apocalyptic number.

1402230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402230131 is an equidigital number, since it uses as much as digits as its factorization.

1402230131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1402230131 is about 37446.3633881850. The cubic root of 1402230131 is about 1119.2826324029.

Adding to 1402230131 its reverse (1310322041), we get a palindrome (2712552172).

The spelling of 1402230131 in words is "one billion, four hundred two million, two hundred thirty thousand, one hundred thirty-one".