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2131031101203 = 321737967366853
BaseRepresentation
bin11111000000101011010…
…110100000111100010011
321112201120012222110112100
4133000223112200330103
5234403322430214303
64310552052131443
7306650636326254
oct37005326407423
97481505873470
102131031101203
11751846556574
122a5012006b83
13125c55c45354
14751dcc80b2b
153a6766178a3
hex1f02b5a0f13

2131031101203 has 24 divisors (see below), whose sum is σ = 3259318765248. Its totient is φ = 1337078691072.

The previous prime is 2131031101193. The next prime is 2131031101207. The reversal of 2131031101203 is 3021011301312.

2131031101203 is a `hidden beast` number, since 21 + 310 + 31 + 101 + 203 = 666.

It is not a de Polignac number, because 2131031101203 - 24 = 2131031101187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131031101207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5625525 + ... + 5992377.

It is an arithmetic number, because the mean of its divisors is an integer number (135804948552).

Almost surely, 22131031101203 is an apocalyptic number.

2131031101203 is a deficient number, since it is larger than the sum of its proper divisors (1128287664045).

2131031101203 is a wasteful number, since it uses less digits than its factorization.

2131031101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404843 (or 404840 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2131031101203 its reverse (3021011301312), we get a palindrome (5152042402515).

The spelling of 2131031101203 in words is "two trillion, one hundred thirty-one billion, thirty-one million, one hundred one thousand, two hundred three".

Divisors: 1 3 9 17 51 153 37967 113901 341703 366853 645439 1100559 1936317 3301677 5808951 6236501 18709503 56128509 13928307851 41784923553 125354770659 236781233467 710343700401 2131031101203