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1341340031 = 12917103843
BaseRepresentation
bin100111111110011…
…0011100101111111
310110110222010121102
41033330303211333
510221340340111
6341033323315
745145126223
oct11774634577
93413863542
101341340031
11629173689
1231526653b
13184b80735
14ca202783
157cb5913b
hex4ff3397f

1341340031 has 4 divisors (see below), whose sum is σ = 1341456792. Its totient is φ = 1341223272.

The previous prime is 1341339997. The next prime is 1341340037. The reversal of 1341340031 is 1300431431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1341340031 - 210 = 1341339007 is a prime.

It is a super-2 number, since 2×13413400312 = 3598386157526161922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1341339985 and 1341340012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341340037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39005 + ... + 64838.

It is an arithmetic number, because the mean of its divisors is an integer number (335364198).

Almost surely, 21341340031 is an apocalyptic number.

1341340031 is a deficient number, since it is larger than the sum of its proper divisors (116761).

1341340031 is a wasteful number, since it uses less digits than its factorization.

1341340031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116760.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1341340031 is about 36624.3092904153. The cubic root of 1341340031 is about 1102.8411487738.

Adding to 1341340031 its reverse (1300431431), we get a palindrome (2641771462).

The spelling of 1341340031 in words is "one billion, three hundred forty-one million, three hundred forty thousand, thirty-one".

Divisors: 1 12917 103843 1341340031