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102030121132231 = 10114831419747981
BaseRepresentation
bin10111001100101110111101…
…001000000110000011000111
3111101020222120120101102210211
4113030232331020012003013
5101333130142002212411
61000555553544100251
730330301342064335
oct2714567510060307
9441228516342724
10102030121132231
112a567805506476
12b53a155164687
1344c1525ba4786
141b2a3d9c3cb55
15bbe086d52221
hex5ccbbd2060c7

102030121132231 has 16 divisors (see below), whose sum is σ = 103119213260448. Its totient is φ = 100942588656000.

The previous prime is 102030121132223. The next prime is 102030121132249. The reversal of 102030121132231 is 132231121030201.

It is a cyclic number.

It is not a de Polignac number, because 102030121132231 - 23 = 102030121132223 is a prime.

It is a super-2 number, since 2×1020301211322312 (a number of 29 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 (102030121132031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2126445261 + ... + 2126493241.

It is an arithmetic number, because the mean of its divisors is an integer number (6444950828778).

Almost surely, 2102030121132231 is an apocalyptic number.

102030121132231 is a deficient number, since it is larger than the sum of its proper divisors (1089092128217).

102030121132231 is a wasteful number, since it uses less digits than its factorization.

102030121132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63762.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102030121132231 its reverse (132231121030201), we get a palindrome (234261242162432).

The spelling of 102030121132231 in words is "one hundred two trillion, thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 101 1483 14197 47981 149783 1433897 4846081 21054151 71155823 681186257 2126469251 7186738123 68799811957 1010199219131 102030121132231