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103113013131 = 3239672888077
BaseRepresentation
bin110000000001000000…
…0111011011110001011
3100212011010022210110100
41200002000323132023
53142133412410011
6115211445420443
710310144102352
oct1400200733613
9325133283410
10103113013131
113a803675a27
1217b9840a723
13995374294b
144dc2684999
152a376a3d56
hex180203b78b

103113013131 has 12 divisors (see below), whose sum is σ = 148978615552. Its totient is φ = 68724656496.

The previous prime is 103113013123. The next prime is 103113013189. The reversal of 103113013131 is 131310311301.

103113013131 is a `hidden beast` number, since 10 + 311 + 30 + 1 + 313 + 1 = 666.

It is not a de Polignac number, because 103113013131 - 23 = 103113013123 is a prime.

It is a super-2 number, since 2×1031130131312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103113013111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1408336 + ... + 1479741.

Almost surely, 2103113013131 is an apocalyptic number.

103113013131 is a deficient number, since it is larger than the sum of its proper divisors (45865602421).

103113013131 is a wasteful number, since it uses less digits than its factorization.

103113013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892050 (or 2892047 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 103113013131 its reverse (131310311301), we get a palindrome (234423324432).

The spelling of 103113013131 in words is "one hundred three billion, one hundred thirteen million, thirteen thousand, one hundred thirty-one".

Divisors: 1 3 9 3967 11901 35703 2888077 8664231 25992693 11457001459 34371004377 103113013131