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10030131013 = 71432875859
BaseRepresentation
bin10010101011101011…
…11010011101000101
3221220000110110002211
421111311322131011
5131020203143023
64335140303421
7503361464320
oct112565723505
927800413084
1010030131013
114287824981
121b3b0a1b71
13c3b009c86
146b21677b7
153da860a0d
hex255d7a745

10030131013 has 4 divisors (see below), whose sum is σ = 11463006880. Its totient is φ = 8597255148.

The previous prime is 10030130987. The next prime is 10030131017. The reversal of 10030131013 is 31013103001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10030131013 - 233 = 1440196421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10030130984 and 10030131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030131017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716437923 + ... + 716437936.

It is an arithmetic number, because the mean of its divisors is an integer number (2865751720).

Almost surely, 210030131013 is an apocalyptic number.

It is an amenable number.

10030131013 is a deficient number, since it is larger than the sum of its proper divisors (1432875867).

10030131013 is an equidigital number, since it uses as much as digits as its factorization.

10030131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432875866.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 10030131013 its reverse (31013103001), we get a palindrome (41043234014).

The spelling of 10030131013 in words is "ten billion, thirty million, one hundred thirty-one thousand, thirteen".

Divisors: 1 7 1432875859 10030131013