Search a number
-
+
311311313323334 = 21910379537893031
BaseRepresentation
bin100011011001000101101000…
…0001111101100010101000110
31111211021001220200112122221222
41012302023100033230111012
5311301011032202321314
63022034235404440342
7122400333361362032
oct10662132017542506
91454231820478858
10311311313323334
1190214428557a25
122aaba274b490b2
13104926b946631c
1456c37958611c2
1525ecdc5a07c8e
hex11b22d03ec546

311311313323334 has 16 divisors (see below), whose sum is σ = 496316452519680. Its totient is φ = 146031571603080.

The previous prime is 311311313323331. The next prime is 311311313323343. The reversal of 311311313323334 is 433323313113113.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 311311313323294 and 311311313323303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311311313323331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39768942602 + ... + 39768950429.

It is an arithmetic number, because the mean of its divisors is an integer number (31019778282480).

Almost surely, 2311311313323334 is an apocalyptic number.

311311313323334 is a deficient number, since it is larger than the sum of its proper divisors (185005139196346).

311311313323334 is a wasteful number, since it uses less digits than its factorization.

311311313323334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79537893155.

The product of its digits is 52488, while the sum is 35.

Adding to 311311313323334 its reverse (433323313113113), we get a palindrome (744634626436447).

The spelling of 311311313323334 in words is "three hundred eleven trillion, three hundred eleven billion, three hundred thirteen million, three hundred twenty-three thousand, three hundred thirty-four".

Divisors: 1 2 19 38 103 206 1957 3914 79537893031 159075786062 1511219967589 3022439935178 8192402982193 16384805964386 155655656661667 311311313323334