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31204142002101 = 310401380667367
BaseRepresentation
bin1110001100001010001111…
…10011001010111110110101
311002111002100022022101011210
413012011013303022332311
513042222040323031401
6150210552425152033
76400265504465145
oct706050763127665
9132432308271153
1031204142002101
119a40669740682
1235bb6a402b619
1314546cbba7073
1479c407a30925
15391a584394d6
hex1c6147ccafb5

31204142002101 has 4 divisors (see below), whose sum is σ = 41605522669472. Its totient is φ = 20802761334732.

The previous prime is 31204142002087. The next prime is 31204142002123. The reversal of 31204142002101 is 10120024140213.

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 not a de Polignac number, because 31204142002101 - 26 = 31204142002037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204142009101) 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, 5200690333681 + ... + 5200690333686.

It is an arithmetic number, because the mean of its divisors is an integer number (10401380667368).

Almost surely, 231204142002101 is an apocalyptic number.

It is an amenable number.

31204142002101 is a deficient number, since it is larger than the sum of its proper divisors (10401380667371).

31204142002101 is a wasteful number, since it uses less digits than its factorization.

31204142002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401380667370.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 31204142002101 its reverse (10120024140213), we get a palindrome (41324166142314).

The spelling of 31204142002101 in words is "thirty-one trillion, two hundred four billion, one hundred forty-two million, two thousand, one hundred one".

Divisors: 1 3 10401380667367 31204142002101