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131030000002 = 2112541446281
BaseRepresentation
bin111101000000111111…
…1110010000110000010
3110112012201001200000001
41322001333302012002
54121322140000002
6140105551350214
712316021423546
oct1720177620602
9415181050001
10131030000002
115062a023400
122148982236a
13c4823b69a5
1464b01c5a26
15361d4bda87
hex1e81ff2182

131030000002 has 12 divisors (see below), whose sum is σ = 216037066518. Its totient is φ = 59559090800.

The previous prime is 131029999957. The next prime is 131030000021. The reversal of 131030000002 is 200000030131.

It can be written as a sum of positive squares in only one way, i.e., 121139498601 + 9890501401 = 348051^2 + 99451^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270722899 + ... + 270723382.

Almost surely, 2131030000002 is an apocalyptic number.

131030000002 is a deficient number, since it is larger than the sum of its proper divisors (85007066516).

131030000002 is a wasteful number, since it uses less digits than its factorization.

131030000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541446305 (or 541446294 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 131030000002 its reverse (200000030131), we get a palindrome (331030030133).

The spelling of 131030000002 in words is "one hundred thirty-one billion, thirty million, two", and thus it is an aban number.

Divisors: 1 2 11 22 121 242 541446281 1082892562 5955909091 11911818182 65515000001 131030000002