Search a number
-
+
311230230330332 = 22221953350558711
BaseRepresentation
bin100011011000011111110111…
…1010100100111101111011100
31111210222022121212120211212002
41012300333233110213233130
5311243144002431032312
63021533105522501432
7122361433146326315
oct10660775724475734
91453868555524762
10311230230330332
1190192aaa2a2205
122aaa6606504878
1310487b66b56861
1456bd8a2d3360c
1525eac2c4124c2
hex11b0fef527bdc

311230230330332 has 12 divisors (see below), whose sum is σ = 544655358542736. Its totient is φ = 155614413603840.

The previous prime is 311230230330311. The next prime is 311230230330491. The reversal of 311230230330332 is 233033032032113.

It is a junction number, because it is equal to n+sod(n) for n = 311230230330295 and 311230230330304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174391544 + ... + 176167167.

It is an arithmetic number, because the mean of its divisors is an integer number (45387946545228).

Almost surely, 2311230230330332 is an apocalyptic number.

It is an amenable number.

311230230330332 is a deficient number, since it is larger than the sum of its proper divisors (233425128212404).

311230230330332 is a wasteful number, since it uses less digits than its factorization.

311230230330332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350780668 (or 350780666 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 311230230330332 its reverse (233033032032113), we get a palindrome (544263262362445).

The spelling of 311230230330332 in words is "three hundred eleven trillion, two hundred thirty billion, two hundred thirty million, three hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 4 221953 443906 887812 350558711 701117422 1402234844 77807557582583 155615115165166 311230230330332