Search a number
-
+
31313313300 = 22352104377711
BaseRepresentation
bin11101001010011010…
…110011111000010100
32222211021112010112110
4131022122303320110
51003112202011200
622215104551020
72155654525413
oct351232637024
988737463473
1031313313300
1112309604825
12609a922470
132c504b1a69
141730a3347a
15c34098b50
hex74a6b3e14

31313313300 has 36 divisors (see below), whose sum is σ = 90599854016. Its totient is φ = 8350216800.

The previous prime is 31313313287. The next prime is 31313313377. The reversal of 31313313300 is 331331313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52188556 + ... + 52189155.

Almost surely, 231313313300 is an apocalyptic number.

31313313300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31313313300 is an abundant number, since it is smaller than the sum of its proper divisors (59286540716).

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

31313313300 is a wasteful number, since it uses less digits than its factorization.

31313313300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104377728 (or 104377721 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 21.

Adding to 31313313300 its reverse (331331313), we get a palindrome (31644644613).

The spelling of 31313313300 in words is "thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 104377711 208755422 313133133 417510844 521888555 626266266 1043777110 1252532532 1565665665 2087554220 2609442775 3131331330 5218885550 6262662660 7828328325 10437771100 15656656650 31313313300