Search a number
-
+
31301221310002 = 2721392297843291
BaseRepresentation
bin1110001110111111000100…
…01011010101111000110010
311002211100220221011012002001
413013133202023111320302
513100314400123410002
6150323325455444214
76410303305132300
oct707374213257062
9132740827135061
1031301221310002
119a78856454556
12361647782666a
13146090057c617
147a2db6c11270
1539433b048a87
hex1c77e22d5e32

31301221310002 has 24 divisors (see below), whose sum is σ = 55010368410480. Its totient is φ = 13318299708840.

The previous prime is 31301221309957. The next prime is 31301221310011. The reversal of 31301221310002 is 20001312210313.

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, 1148908024 + ... + 1148935267.

It is an arithmetic number, because the mean of its divisors is an integer number (2292098683770).

Almost surely, 231301221310002 is an apocalyptic number.

31301221310002 is a deficient number, since it is larger than the sum of its proper divisors (23709147100478).

31301221310002 is a wasteful number, since it uses less digits than its factorization.

31301221310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297843446 (or 2297843439 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31301221310002 its reverse (20001312210313), we get a palindrome (51302533520315).

The spelling of 31301221310002 in words is "thirty-one trillion, three hundred one billion, two hundred twenty-one million, three hundred ten thousand, two".

Divisors: 1 2 7 14 49 98 139 278 973 1946 6811 13622 2297843291 4595686582 16084903037 32169806074 112594321259 225188642518 319400217449 638800434898 2235801522143 4471603044286 15650610655001 31301221310002