Search a number
-
+
1312302131310 = 23571616104287
BaseRepresentation
bin10011000110001011010…
…011010110100001101110
311122110021120222110211010
4103012023103112201232
5133000043321200220
62442510245010050
7163545033032412
oct23061323264156
94573246873733
101312302131310
114665a9383565
121923bb3b3926
1396998a24b91
1447731372d42
1524208e761e0
hex1318b4d686e

1312302131310 has 32 divisors (see below), whose sum is σ = 3193884628992. Its totient is φ = 345018400160.

The previous prime is 1312302131303. The next prime is 1312302131339. The reversal of 1312302131310 is 131312032131.

It is a happy number.

It is a super-2 number, since 2×13123021313102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308050014 + ... + 308054273.

It is an arithmetic number, because the mean of its divisors is an integer number (99808894656).

Almost surely, 21312302131310 is an apocalyptic number.

1312302131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312302131310 is an abundant number, since it is smaller than the sum of its proper divisors (1881582497682).

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

1312302131310 is a wasteful number, since it uses less digits than its factorization.

1312302131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616104368.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312302131310 its reverse (131312032131), we get a palindrome (1443614163441).

The spelling of 1312302131310 in words is "one trillion, three hundred twelve billion, three hundred two million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71 142 213 355 426 710 1065 2130 616104287 1232208574 1848312861 3080521435 3696625722 6161042870 9241564305 18483128610 43743404377 87486808754 131230213131 218717021885 262460426262 437434043770 656151065655 1312302131310