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1142612431 is a prime number
BaseRepresentation
bin100010000011010…
…1110000111001111
32221122000201120221
41010012232013033
54320002044211
6305214052211
740213021402
oct10406560717
92848021527
101142612431
11536a7a6a4
1227a7aa067
1315295063c
14aba71d39
156a4a1c71
hex441ae1cf

1142612431 has 2 divisors, whose sum is σ = 1142612432. Its totient is φ = 1142612430.

The previous prime is 1142612333. The next prime is 1142612453. The reversal of 1142612431 is 1342162411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142612431 - 221 = 1140515279 is a prime.

It is a super-2 number, since 2×11426124312 = 2611126334951459522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142612396 and 1142612405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142612461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571306215 + 571306216.

It is an arithmetic number, because the mean of its divisors is an integer number (571306216).

Almost surely, 21142612431 is an apocalyptic number.

1142612431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142612431 is an equidigital number, since it uses as much as digits as its factorization.

1142612431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1142612431 is about 33802.5506581974. The cubic root of 1142612431 is about 1045.4412888646.

Adding to 1142612431 its reverse (1342162411), we get a palindrome (2484774842).

The spelling of 1142612431 in words is "one billion, one hundred forty-two million, six hundred twelve thousand, four hundred thirty-one".