Search a number
-
+
31202232201023 = 1312055271990973
BaseRepresentation
bin1110001100000110101011…
…11101110110111100111111
311002110220102012200102121112
413012003111331312330333
513042204132420413043
6150210035123352235
76400200254445032
oct706032575667477
9132426365612545
1031202232201023
119a3a879700884
1235bb25052267b
131454486321360
1479c2a6135019
15391995942518
hex1c60d5f76f3f

31202232201023 has 8 divisors (see below), whose sum is σ = 33602448659808. Its totient is φ = 28802022135264.

The previous prime is 31202232201011. The next prime is 31202232201053. The reversal of 31202232201023 is 32010223220213.

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 31202232201023 - 214 = 31202232184639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31202232201023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31202232201053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14676365 + ... + 16667337.

It is an arithmetic number, because the mean of its divisors is an integer number (4200306082476).

Almost surely, 231202232201023 is an apocalyptic number.

31202232201023 is a deficient number, since it is larger than the sum of its proper divisors (2400216458785).

31202232201023 is a wasteful number, since it uses less digits than its factorization.

31202232201023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196513.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31202232201023 its reverse (32010223220213), we get a palindrome (63212455421236).

The spelling of 31202232201023 in words is "thirty-one trillion, two hundred two billion, two hundred thirty-two million, two hundred one thousand, twenty-three".

Divisors: 1 13 1205527 1990973 15671851 25882649 2400171707771 31202232201023