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31402031434121 = 234171932726233
BaseRepresentation
bin1110010001111010110101…
…11011011100100110001001
311010012000010120012002200202
413020331122323130212021
513103442330021342441
6150441521042341545
76420502420061555
oct710753273344611
9133160116162622
1031402031434121
11a007588105917
123631b1095a8b5
13146a277b7813a
147a7c1b6b4865
15396c8b45a19b
hex1c8f5aedc989

31402031434121 has 8 divisors (see below), whose sum is σ = 32768123579520. Its totient is φ = 30036004824672.

The previous prime is 31402031434097. The next prime is 31402031434129. The reversal of 31402031434121 is 12143413020413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31402031434121 - 26 = 31402031434057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31402031434129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15403580 + ... + 17322653.

It is an arithmetic number, because the mean of its divisors is an integer number (4096015447440).

Almost surely, 231402031434121 is an apocalyptic number.

It is an amenable number.

31402031434121 is a deficient number, since it is larger than the sum of its proper divisors (1366092145399).

31402031434121 is a wasteful number, since it uses less digits than its factorization.

31402031434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32767975.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31402031434121 its reverse (12143413020413), we get a palindrome (43545444454534).

The spelling of 31402031434121 in words is "thirty-one trillion, four hundred two billion, thirty-one million, four hundred thirty-four thousand, one hundred twenty-one".

Divisors: 1 23 41719 959537 32726233 752703359 1365305714527 31402031434121