Search a number
-
+
31413213233 = 477124473847
BaseRepresentation
bin11101010000010111…
…111001100000110001
310000002020111120110222
4131100113321200301
51003313240310413
622233034102425
72161306623023
oct352027714061
9100066446428
1031413213233
111235aa38056
12610827aa15
132c680bbb4c
14173ddda013
15c3cc2db08
hex7505f9831

31413213233 has 16 divisors (see below), whose sum is σ = 32555188224. Its totient is φ = 30291557520.

The previous prime is 31413213193. The next prime is 31413213239. The reversal of 31413213233 is 33231231413.

It is a cyclic number.

It is not a de Polignac number, because 31413213233 - 210 = 31413212209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31413213239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8163716 + ... + 8167562.

It is an arithmetic number, because the mean of its divisors is an integer number (2034699264).

Almost surely, 231413213233 is an apocalyptic number.

It is an amenable number.

31413213233 is a deficient number, since it is larger than the sum of its proper divisors (1141974991).

31413213233 is a wasteful number, since it uses less digits than its factorization.

31413213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6412.

The product of its digits is 3888, while the sum is 26.

Adding to 31413213233 its reverse (33231231413), we get a palindrome (64644444646).

The spelling of 31413213233 in words is "thirty-one billion, four hundred thirteen million, two hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 47 71 2447 3337 3847 115009 173737 180809 273137 8165639 9413609 12837439 442439623 668366239 31413213233