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103140344031 = 353729788897
BaseRepresentation
bin110000000001110100…
…1001100000011011111
3100212020000202100101220
41200003221030003133
53142212412002111
6115214303304423
710310625313314
oct1400351140337
9325200670356
10103140344031
113a81804304a
1217ba55ab113
1399592c1a8a
144dc615ad0b
152a39ca1e06
hex1803a4c0df

103140344031 has 16 divisors (see below), whose sum is σ = 140135962464. Its totient is φ = 67452862464.

The previous prime is 103140343997. The next prime is 103140344039. The reversal of 103140344031 is 130443041301.

It is not a de Polignac number, because 103140344031 - 29 = 103140343519 is a prime.

It is a super-2 number, since 2×1031403440312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103140343992 and 103140344010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140344039) 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, 1115775 + ... + 1204671.

It is an arithmetic number, because the mean of its divisors is an integer number (8758497654).

Almost surely, 2103140344031 is an apocalyptic number.

103140344031 is a deficient number, since it is larger than the sum of its proper divisors (36995618433).

103140344031 is an equidigital number, since it uses as much as digits as its factorization.

103140344031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96250.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 103140344031 its reverse (130443041301), we get a palindrome (233583385332).

The spelling of 103140344031 in words is "one hundred three billion, one hundred forty million, three hundred forty-four thousand, thirty-one".

Divisors: 1 3 53 159 7297 21891 88897 266691 386741 1160223 4711541 14134623 648681409 1946044227 34380114677 103140344031