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31424302333420 = 2251571215116671
BaseRepresentation
bin1110010010100100010100…
…11000001011110111101100
311010021010121122211000010221
413021102022120023313230
513104323432344132140
6150500043013141124
76422221335435253
oct711221230136754
9133233548730127
1031424302333420
11a015a7648a117
1236362a732a7a4
13146c3b6b79369
147a8d3141179a
1539764174a14a
hex1c948a60bdec

31424302333420 has 12 divisors (see below), whose sum is σ = 65991034900224. Its totient is φ = 12569720933360.

The previous prime is 31424302333379. The next prime is 31424302333511. The reversal of 31424302333420 is 2433320342413.

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, 785607558316 + ... + 785607558355.

It is an arithmetic number, because the mean of its divisors is an integer number (5499252908352).

Almost surely, 231424302333420 is an apocalyptic number.

It is an amenable number.

31424302333420 is an abundant number, since it is smaller than the sum of its proper divisors (34566732566804).

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

31424302333420 is a wasteful number, since it uses less digits than its factorization.

31424302333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571215116680 (or 1571215116678 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 31424302333420 its reverse (2433320342413), we get a palindrome (33857622675833).

The spelling of 31424302333420 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred two million, three hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1571215116671 3142430233342 6284860466684 7856075583355 15712151166710 31424302333420