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10030003031 = 371873144731
BaseRepresentation
bin10010101011101010…
…11011001101010111
3221220000012221112202
421111311123031113
5131020140044111
64335133435115
7503360422226
oct112565331527
927800187482
1010030003031
114287747804
121b3b03ba9b
13c3ac93949
146b2132cbd
153da837b3b
hex255d5b357

10030003031 has 8 divisors (see below), whose sum is σ = 10306655184. Its totient is φ = 9753644160.

The previous prime is 10030003013. The next prime is 10030003063. The reversal of 10030003031 is 13030003001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10030003031 - 214 = 10029986647 is a prime.

It is a super-2 number, since 2×100300030312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030003091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3065 + ... + 141666.

It is an arithmetic number, because the mean of its divisors is an integer number (1288331898).

Almost surely, 210030003031 is an apocalyptic number.

10030003031 is a deficient number, since it is larger than the sum of its proper divisors (276652153).

10030003031 is a wasteful number, since it uses less digits than its factorization.

10030003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146641.

The product of its (nonzero) digits is 27, while the sum is 11.

Adding to 10030003031 its reverse (13030003001), we get a palindrome (23060006032).

The spelling of 10030003031 in words is "ten billion, thirty million, three thousand, thirty-one".

Divisors: 1 37 1873 69301 144731 5355047 271081163 10030003031