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10203034031 = 23603432277
BaseRepresentation
bin10011000000010010…
…11111000110101111
3222100001210211110022
421200021133012233
5131343434042111
64404234232355
7510561233621
oct114011370657
928301724408
1010203034031
11436638a533
121b88b856bb
13c67a97758
146cb0d4c11
153eab162db
hex26025f1af

10203034031 has 4 divisors (see below), whose sum is σ = 10203489912. Its totient is φ = 10202578152.

The previous prime is 10203034027. The next prime is 10203034099. The reversal of 10203034031 is 13043030201.

It is a happy number.

10203034031 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10203034031 - 22 = 10203034027 is a prime.

It is a super-2 number, since 2×102030340312 (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 (10203034631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192536 + ... + 239741.

It is an arithmetic number, because the mean of its divisors is an integer number (2550872478).

Almost surely, 210203034031 is an apocalyptic number.

10203034031 is a deficient number, since it is larger than the sum of its proper divisors (455881).

10203034031 is an equidigital number, since it uses as much as digits as its factorization.

10203034031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455880.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10203034031 its reverse (13043030201), we get a palindrome (23246064232).

The spelling of 10203034031 in words is "ten billion, two hundred three million, thirty-four thousand, thirty-one".

Divisors: 1 23603 432277 10203034031