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3121020101003 = 77943633129347
BaseRepresentation
bin101101011010101011010…
…010110110000110001011
3102001100220020221101110012
4231122223102312012023
5402113322121213003
610345435444142135
7441325534066640
oct55325322660613
912040806841405
103121020101003
11aa3687533882
12424a5b39794b
1319840717181c
14ab0b58dddc7
15562b904b8d8
hex2d6ab4b618b

3121020101003 has 16 divisors (see below), whose sum is σ = 3612141204480. Its totient is φ = 2641216346496.

The previous prime is 3121020100909. The next prime is 3121020101021. The reversal of 3121020101003 is 3001010201213.

It is not a de Polignac number, because 3121020101003 - 236 = 3052300624267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121020101033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24064376 + ... + 24193722.

It is an arithmetic number, because the mean of its divisors is an integer number (225758825280).

Almost surely, 23121020101003 is an apocalyptic number.

3121020101003 is a deficient number, since it is larger than the sum of its proper divisors (491121103477).

3121020101003 is a wasteful number, since it uses less digits than its factorization.

3121020101003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173066.

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

Adding to 3121020101003 its reverse (3001010201213), we get a palindrome (6122030302216).

The spelling of 3121020101003 in words is "three trillion, one hundred twenty-one billion, twenty million, one hundred one thousand, three".

Divisors: 1 7 79 553 43633 129347 305431 905429 3447007 10218413 24129049 71528891 5643797651 39506583557 445860014429 3121020101003