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23203003031 = 135933009859
BaseRepresentation
bin10101100111000000…
…011011101010010111
32012220001112200101122
4111213000123222113
5340004432044111
614354224514155
71450664162105
oct254700335227
965801480348
1023203003031
11992754366a
1245b677b95b
13225a1582c0
1411a1852c75
1590c05dcdb
hex56701ba97

23203003031 has 8 divisors (see below), whose sum is σ = 25029995760. Its totient is φ = 21382031232.

The previous prime is 23203003013. The next prime is 23203003051. The reversal of 23203003031 is 13030030232.

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 23203003031 - 26 = 23203002967 is a prime.

It is a super-2 number, since 2×232030030312 (a number of 22 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 (23203003001) 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, 1497221 + ... + 1512638.

It is an arithmetic number, because the mean of its divisors is an integer number (3128749470).

Almost surely, 223203003031 is an apocalyptic number.

23203003031 is a deficient number, since it is larger than the sum of its proper divisors (1826992729).

23203003031 is a wasteful number, since it uses less digits than its factorization.

23203003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010465.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23203003031 its reverse (13030030232), we get a palindrome (36233033263).

The spelling of 23203003031 in words is "twenty-three billion, two hundred three million, three thousand, thirty-one".

Divisors: 1 13 593 7709 3009859 39128167 1784846387 23203003031