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1145013031 is a prime number
BaseRepresentation
bin100010000111111…
…1000001100100111
32221210112200121001
41010033320030213
54321110404111
6305341334131
740242310261
oct10417701447
92853480531
101145013031
1153836a268
1227b567347
131532b1206
14ac0d8b31
156a7c81c1
hex443f8327

1145013031 has 2 divisors, whose sum is σ = 1145013032. Its totient is φ = 1145013030.

The previous prime is 1145013029. The next prime is 1145013041. The reversal of 1145013031 is 1303105411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145013031 - 21 = 1145013029 is a prime.

It is a super-2 number, since 2×11450130312 = 2622109682319613922, which contains 22 as substring.

Together with 1145013029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145013041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572506515 + 572506516.

It is an arithmetic number, because the mean of its divisors is an integer number (572506516).

Almost surely, 21145013031 is an apocalyptic number.

1145013031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145013031 is an equidigital number, since it uses as much as digits as its factorization.

1145013031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1145013031 is about 33838.0411814869. The cubic root of 1145013031 is about 1046.1729253445.

Adding to 1145013031 its reverse (1303105411), we get a palindrome (2448118442).

The spelling of 1145013031 in words is "one billion, one hundred forty-five million, thirteen thousand, thirty-one".