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1030133231 is a prime number
BaseRepresentation
bin111101011001101…
…001010111101111
32122210101012010122
4331121221113233
54102203230411
6250115155155
734345662611
oct7531512757
92583335118
101030133231
11489535386
12248ba5abb
1313555a9ba
149ab52db1
15606849db
hex3d6695ef

1030133231 has 2 divisors, whose sum is σ = 1030133232. Its totient is φ = 1030133230.

The previous prime is 1030133213. The next prime is 1030133287. The reversal of 1030133231 is 1323310301.

Together with previous prime (1030133213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030133231 is a prime.

It is a super-2 number, since 2×10301332312 = 2122348947220998722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030133201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515066615 + 515066616.

It is an arithmetic number, because the mean of its divisors is an integer number (515066616).

Almost surely, 21030133231 is an apocalyptic number.

1030133231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030133231 is an equidigital number, since it uses as much as digits as its factorization.

1030133231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1030133231 is about 32095.6886668599. The cubic root of 1030133231 is about 1009.9451759282.

Adding to 1030133231 its reverse (1323310301), we get a palindrome (2353443532).

The spelling of 1030133231 in words is "one billion, thirty million, one hundred thirty-three thousand, two hundred thirty-one".