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10340440131 = 37492401911
BaseRepresentation
bin10011010000101011…
…01001100001000011
3222200122100210012010
421220111221201003
5132134123041011
64430023304003
7514150201530
oct115025514103
928618323163
1010340440131
1144269aa79a
122006bab003
13c8a3a7238
14701461d87
15407c091a6
hex268569843

10340440131 has 8 divisors (see below), whose sum is σ = 15756861184. Its totient is φ = 5908822920.

The previous prime is 10340440087. The next prime is 10340440139. The reversal of 10340440131 is 13104404301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10340440131 - 27 = 10340440003 is a prime.

It is a super-2 number, since 2×103404401312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 492401911 = 10340440131 / (1 + 0 + 3 + 4 + 0 + 4 + 4 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10340440098 and 10340440107.

It is not an unprimeable number, because it can be changed into a prime (10340440139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246200935 + ... + 246200976.

It is an arithmetic number, because the mean of its divisors is an integer number (1969607648).

Almost surely, 210340440131 is an apocalyptic number.

10340440131 is a deficient number, since it is larger than the sum of its proper divisors (5416421053).

10340440131 is an equidigital number, since it uses as much as digits as its factorization.

10340440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492401921.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10340440131 its reverse (13104404301), we get a palindrome (23444844432).

The spelling of 10340440131 in words is "ten billion, three hundred forty million, four hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 7 21 492401911 1477205733 3446813377 10340440131