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1340010131 = 1970526849
BaseRepresentation
bin100111111011110…
…1110111010010011
310110101110120022212
41033313232322103
510221020311011
6340545022335
745130620035
oct11767567223
93411416285
101340010131
11628445499
123149249ab
13184806305
14c9d77c55
157c99508b
hex4fdeee93

1340010131 has 4 divisors (see below), whose sum is σ = 1410537000. Its totient is φ = 1269483264.

The previous prime is 1340010097. The next prime is 1340010173. The reversal of 1340010131 is 1310100431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1340010131 is a prime.

It is a super-2 number, since 2×13400101312 = 3591254302365274322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340060131) 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, 35263406 + ... + 35263443.

It is an arithmetic number, because the mean of its divisors is an integer number (352634250).

Almost surely, 21340010131 is an apocalyptic number.

1340010131 is a deficient number, since it is larger than the sum of its proper divisors (70526869).

1340010131 is an equidigital number, since it uses as much as digits as its factorization.

1340010131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70526868.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1340010131 is about 36606.1488140995. The cubic root of 1340010131 is about 1102.4765498412.

Adding to 1340010131 its reverse (1310100431), we get a palindrome (2650110562).

The spelling of 1340010131 in words is "one billion, three hundred forty million, ten thousand, one hundred thirty-one".

Divisors: 1 19 70526849 1340010131