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102013030231 = 787103167311
BaseRepresentation
bin101111100000001110…
…0110100111101010111
3100202022110111212120221
41133000130310331113
53132410313431411
6114510353135211
710240656310210
oct1370034647527
9322273455527
10102013030231
113a299772552
121792bb5a507
1398098999a8
144d1a54c407
1529c0d23071
hex17c0734f57

102013030231 has 8 divisors (see below), whose sum is σ = 116588355584. Its totient is φ = 87438213720.

The previous prime is 102013030201. The next prime is 102013030237. The reversal of 102013030231 is 132030310201.

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 102013030231 - 225 = 101979475799 is a prime.

It is a super-2 number, since 2×1020130302312 (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 (102013030237) 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, 526066 + ... + 693376.

It is an arithmetic number, because the mean of its divisors is an integer number (14573544448).

Almost surely, 2102013030231 is an apocalyptic number.

102013030231 is a deficient number, since it is larger than the sum of its proper divisors (14575325353).

102013030231 is an equidigital number, since it uses as much as digits as its factorization.

102013030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254421.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 102013030231 its reverse (132030310201), we get a palindrome (234043340432).

The spelling of 102013030231 in words is "one hundred two billion, thirteen million, thirty thousand, two hundred thirty-one".

Divisors: 1 7 87103 167311 609721 1171177 14573290033 102013030231