Search a number
-
+
31105011332001 = 319827659857259
BaseRepresentation
bin1110001001010001100110…
…01001101011001110100001
311002010121110201110120100210
413010220303021223032201
513034111030400111001
6150053240035004333
76360156114626145
oct704506311531641
9132117421416323
1031105011332001
119a02619a99a42
1235a44394396a9
131448261513019
147976c2225225
1538e1a56bddd6
hex1c4a3326b3a1

31105011332001 has 16 divisors (see below), whose sum is σ = 43708944902400. Its totient is φ = 19621515423888.

The previous prime is 31105011331993. The next prime is 31105011332011. The reversal of 31105011332001 is 10023311050113.

It is not a de Polignac number, because 31105011332001 - 23 = 31105011331993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31105011332011) 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, 329881491 + ... + 329975768.

It is an arithmetic number, because the mean of its divisors is an integer number (2731809056400).

Almost surely, 231105011332001 is an apocalyptic number.

It is an amenable number.

31105011332001 is a deficient number, since it is larger than the sum of its proper divisors (12603933570399).

31105011332001 is a wasteful number, since it uses less digits than its factorization.

31105011332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659858108.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 31105011332001 its reverse (10023311050113), we get a palindrome (41128322382114).

The spelling of 31105011332001 in words is "thirty-one trillion, one hundred five billion, eleven million, three hundred thirty-two thousand, one".

Divisors: 1 3 19 57 827 2481 15713 47139 659857259 1979571777 12537287921 37611863763 545701953193 1637105859579 10368337110667 31105011332001