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1142353031 is a prime number
BaseRepresentation
bin100010000010110…
…1110110010000111
32221121112112202112
41010011232302013
54314420244111
6305204331235
740210561211
oct10405566207
92847475675
101142353031
11536912816
1227a6a3b1b
1315288c551
14aba055b1
156a44ee8b
hex4416ec87

1142353031 has 2 divisors, whose sum is σ = 1142353032. Its totient is φ = 1142353030.

The previous prime is 1142353019. The next prime is 1142353033. The reversal of 1142353031 is 1303532411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142353031 - 222 = 1138158727 is a prime.

It is a super-2 number, since 2×11423530312 = 2609940894869773922, which contains 22 as substring.

Together with 1142353033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142352988 and 1142353006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142353033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571176515 + 571176516.

It is an arithmetic number, because the mean of its divisors is an integer number (571176516).

Almost surely, 21142353031 is an apocalyptic number.

1142353031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142353031 is an equidigital number, since it uses as much as digits as its factorization.

1142353031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1142353031 is about 33798.7134518461. The cubic root of 1142353031 is about 1045.3621695915.

Adding to 1142353031 its reverse (1303532411), we get a palindrome (2445885442).

The spelling of 1142353031 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, thirty-one".