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250143031 is a prime number
BaseRepresentation
bin11101110100011…
…10000100110111
3122102200120201201
432322032010313
51003014034111
640453233331
76125115655
oct1672160467
9572616651
10250143031
11119221186
126b932847
133ca92838
1425315dd5
1516e616c1
hexee8e137

250143031 has 2 divisors, whose sum is σ = 250143032. Its totient is φ = 250143030.

The previous prime is 250143029. The next prime is 250143043. The reversal of 250143031 is 130341052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 250143031 - 21 = 250143029 is a prime.

It is a super-2 number, since 2×2501430312 = 125143071915733922, which contains 22 as substring.

Together with 250143029, 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 (250143001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125071515 + 125071516.

It is an arithmetic number, because the mean of its divisors is an integer number (125071516).

Almost surely, 2250143031 is an apocalyptic number.

250143031 is a deficient number, since it is larger than the sum of its proper divisors (1).

250143031 is an equidigital number, since it uses as much as digits as its factorization.

250143031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 250143031 is about 15815.9106914525. The cubic root of 250143031 is about 630.0806405551.

Adding to 250143031 its reverse (130341052), we get a palindrome (380484083).

The spelling of 250143031 in words is "two hundred fifty million, one hundred forty-three thousand, thirty-one".