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40103431331 = 714491257989
BaseRepresentation
bin100101010110010110…
…011100110010100011
310211111212200101121112
4211112112130302203
51124112434300311
630231231413535
72616541353605
oct452626346243
9124455611545
1040103431331
111600a383587
1279326842ab
133a21627b32
141d26213175
15109ab1828b
hex95659cca3

40103431331 has 8 divisors (see below), whose sum is σ = 40758876000. Its totient is φ = 39450503680.

The previous prime is 40103431321. The next prime is 40103431343. The reversal of 40103431331 is 13313430104.

40103431331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40103431331 - 222 = 40099237027 is a prime.

It is a super-2 number, since 2×401034313312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40103431297 and 40103431306.

It is not an unprimeable number, because it can be changed into a prime (40103431321) 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, 597116 + ... + 660873.

It is an arithmetic number, because the mean of its divisors is an integer number (5094859500).

Almost surely, 240103431331 is an apocalyptic number.

40103431331 is a deficient number, since it is larger than the sum of its proper divisors (655444669).

40103431331 is a wasteful number, since it uses less digits than its factorization.

40103431331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258509.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 40103431331 its reverse (13313430104), we get a palindrome (53416861435).

The spelling of 40103431331 in words is "forty billion, one hundred three million, four hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 71 449 31879 1257989 89317219 564837061 40103431331