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32103031310021 = 74586147330003
BaseRepresentation
bin1110100110010100100011…
…10001110000011011000101
311012200000112110010110022102
413103022101301300123011
513201434002003410041
6152135532354441445
76522240020521310
oct723122161603305
9135600473113272
1032103031310021
11a257901283031
123725948293285
1314bb3c250a909
147cdb1b6d3977
153aa1181bc09b
hex1d3291c706c5

32103031310021 has 4 divisors (see below), whose sum is σ = 36689178640032. Its totient is φ = 27516883980012.

The previous prime is 32103031309963. The next prime is 32103031310033. The reversal of 32103031310021 is 12001313030123.

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 de Polignac number, because none of the positive numbers 2k-32103031310021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32103031309975 and 32103031310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32103031370021) 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, 2293073664995 + ... + 2293073665008.

It is an arithmetic number, because the mean of its divisors is an integer number (9172294660008).

Almost surely, 232103031310021 is an apocalyptic number.

It is an amenable number.

32103031310021 is a deficient number, since it is larger than the sum of its proper divisors (4586147330011).

32103031310021 is an equidigital number, since it uses as much as digits as its factorization.

32103031310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586147330010.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 32103031310021 its reverse (12001313030123), we get a palindrome (44104344340144).

The spelling of 32103031310021 in words is "thirty-two trillion, one hundred three billion, thirty-one million, three hundred ten thousand, twenty-one".

Divisors: 1 7 4586147330003 32103031310021