Search a number
-
+
311043241531434 = 23311166689840049
BaseRepresentation
bin100011010111001000110010…
…1111010111101100000101010
31111210022102222022011122211210
41012232101211322331200222
5311232113024313001214
63021311143103533550
7122342063325631236
oct10656214572754052
91453272868148753
10311043241531434
1190120774a66a75
122aa763202ba2b6
131047333732b859
1456b4804c955c6
1525e5e363a3b59
hex11ae465ebd82a

311043241531434 has 16 divisors (see below), whose sum is σ = 624086761147200. Its totient is φ = 103347700829760.

The previous prime is 311043241531417. The next prime is 311043241531447. The reversal of 311043241531434 is 434135142340113.

It is a happy number.

It is a super-2 number, since 2×3110432415314342 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311043241531392 and 311043241531401.

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, 83344918159 + ... + 83344921890.

It is an arithmetic number, because the mean of its divisors is an integer number (39005422571700).

Almost surely, 2311043241531434 is an apocalyptic number.

311043241531434 is an abundant number, since it is smaller than the sum of its proper divisors (313043519615766).

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

311043241531434 is a wasteful number, since it uses less digits than its factorization.

311043241531434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166689840365.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 311043241531434 its reverse (434135142340113), we get a palindrome (745178383871547).

The spelling of 311043241531434 in words is "three hundred eleven trillion, forty-three billion, two hundred forty-one million, five hundred thirty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 311 622 933 1866 166689840049 333379680098 500069520147 1000139040294 51840540255239 103681080510478 155521620765717 311043241531434