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102130303031 = 732415805167
BaseRepresentation
bin101111100011101110…
…0001100000000110111
3100202121122011221121222
41133013130030000313
53133130324144111
6114530142500555
710243612152341
oct1370734140067
9322548157558
10102130303031
113a349991319
121796329475b
139827c7a493
144d2bd58291
1529cb28a7db
hex17c770c037

102130303031 has 8 divisors (see below), whose sum is σ = 103958948544. Its totient is φ = 100313268480.

The previous prime is 102130303007. The next prime is 102130303049. The reversal of 102130303031 is 130303031201.

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 102130303031 - 234 = 84950433847 is a prime.

It is a super-2 number, since 2×1021303030312 (a number of 23 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 (102130303091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2884991 + ... + 2920176.

It is an arithmetic number, because the mean of its divisors is an integer number (12994868568).

Almost surely, 2102130303031 is an apocalyptic number.

102130303031 is a deficient number, since it is larger than the sum of its proper divisors (1828645513).

102130303031 is an equidigital number, since it uses as much as digits as its factorization.

102130303031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805481.

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

Adding to 102130303031 its reverse (130303031201), we get a palindrome (232433334232).

The spelling of 102130303031 in words is "one hundred two billion, one hundred thirty million, three hundred three thousand, thirty-one".

Divisors: 1 73 241 17593 5805167 423777191 1399045247 102130303031