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1020102031201 = 111072773128869
BaseRepresentation
bin11101101100000101101…
…00011011011101100001
310121112001122221102020011
432312002310123131201
5113203132104444301
62100343422444521
7133462036125001
oct16660264333541
93545048842204
101020102031201
11363694003520
12145852133741
137526cb48666
14375320cc001
151b806438a51
hexed82d1b761

1020102031201 has 16 divisors (see below), whose sum is σ = 1127294314560. Its totient is φ = 915381622080.

The previous prime is 1020102031097. The next prime is 1020102031231. The reversal of 1020102031201 is 1021302010201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1020102031201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020102031231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238406 + ... + 1890463.

It is an arithmetic number, because the mean of its divisors is an integer number (70455894660).

Almost surely, 21020102031201 is an apocalyptic number.

1020102031201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1020102031201 is a deficient number, since it is larger than the sum of its proper divisors (107192283359).

1020102031201 is a wasteful number, since it uses less digits than its factorization.

1020102031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129264.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1020102031201 its reverse (1021302010201), we get a palindrome (2041404041402).

The spelling of 1020102031201 in words is "one trillion, twenty billion, one hundred two million, thirty-one thousand, two hundred one".

Divisors: 1 11 107 277 1177 3047 29639 326029 3128869 34417559 334788983 866696713 3682678813 9533663843 92736548291 1020102031201