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1002130231 is a prime number
BaseRepresentation
bin111011101110110…
…100101100110111
32120211200111020111
4323232310230313
54023021131411
6243235043451
733555652324
oct7356645467
92524614214
101002130231
11474749303
1223b740587
1312c80498b
1497143b4b
155cea2721
hex3bbb4b37

1002130231 has 2 divisors, whose sum is σ = 1002130232. Its totient is φ = 1002130230.

The previous prime is 1002130187. The next prime is 1002130249. The reversal of 1002130231 is 1320312001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002130231 - 215 = 1002097463 is a prime.

It is a super-2 number, since 2×10021302312 = 2008529999768226722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002130531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501065115 + 501065116.

It is an arithmetic number, because the mean of its divisors is an integer number (501065116).

Almost surely, 21002130231 is an apocalyptic number.

1002130231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002130231 is an equidigital number, since it uses as much as digits as its factorization.

1002130231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1002130231 is about 31656.4405927135. The cubic root of 1002130231 is about 1000.7095733865.

Adding to 1002130231 its reverse (1320312001), we get a palindrome (2322442232).

The spelling of 1002130231 in words is "one billion, two million, one hundred thirty thousand, two hundred thirty-one".