Search a number
-
+
31349343066 = 2316573153223
BaseRepresentation
bin11101001100100100…
…010000001101011010
32222220210022122002020
4131030210100031122
51003200412434231
622222433115310
72156603006436
oct351444201532
988823278066
1031349343066
1112327983498
1260aa9b8b36
132c57ab8452
1417357319c6
15c37314396
hex74c91035a

31349343066 has 16 divisors (see below), whose sum is σ = 62736544704. Its totient is φ = 10443471264.

The previous prime is 31349342957. The next prime is 31349343071. The reversal of 31349343066 is 66034394313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566670 + ... + 1586553.

It is an arithmetic number, because the mean of its divisors is an integer number (3921034044).

Almost surely, 231349343066 is an apocalyptic number.

31349343066 is an abundant number, since it is smaller than the sum of its proper divisors (31387201638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31349343066 is a wasteful number, since it uses less digits than its factorization.

31349343066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154885.

The product of its (nonzero) digits is 419904, while the sum is 42.

The spelling of 31349343066 in words is "thirty-one billion, three hundred forty-nine million, three hundred forty-three thousand, sixty-six".

Divisors: 1 2 3 6 1657 3314 4971 9942 3153223 6306446 9459669 18919338 5224890511 10449781022 15674671533 31349343066