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23031241431409 = 83277484836523
BaseRepresentation
bin1010011110010011000001…
…11101101101100101110001
310000112202122210222221020001
411033021200331231211301
511004320440301301114
6120552223425550001
74564644430042261
oct517114075554561
9100482583887201
1023031241431409
11737a549401612
1226bb7381a5301
13cb0ab5448413
14598a0a3d57a1
1529e1671c5374
hex14f260f6d971

23031241431409 has 4 divisors (see below), whose sum is σ = 23308726268016. Its totient is φ = 22753756594804.

The previous prime is 23031241431397. The next prime is 23031241431431. The reversal of 23031241431409 is 90413414213032.

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 23031241431409 - 225 = 23031207876977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031241431509) 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, 138742418179 + ... + 138742418344.

It is an arithmetic number, because the mean of its divisors is an integer number (5827181567004).

Almost surely, 223031241431409 is an apocalyptic number.

It is an amenable number.

23031241431409 is a deficient number, since it is larger than the sum of its proper divisors (277484836607).

23031241431409 is an equidigital number, since it uses as much as digits as its factorization.

23031241431409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277484836606.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 23031241431409 in words is "twenty-three trillion, thirty-one billion, two hundred forty-one million, four hundred thirty-one thousand, four hundred nine".

Divisors: 1 83 277484836523 23031241431409