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1310313012 = 2231710760029
BaseRepresentation
bin100111000011001…
…1100101000110100
310101022120210112120
41032012130220310
510140420004022
6334004315540
744320322361
oct11606345064
93338523476
101310313012
11612701618
123069a2bb0
1317b609158
14c6047468
157a07ad5c
hex4e19ca34

1310313012 has 48 divisors (see below), whose sum is σ = 3267552960. Its totient is φ = 407229952.

The previous prime is 1310312977. The next prime is 1310313019. The reversal of 1310313012 is 2103130131.

It is a junction number, because it is equal to n+sod(n) for n = 1310312982 and 1310313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310313019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8187 + ... + 51842.

It is an arithmetic number, because the mean of its divisors is an integer number (68074020).

Almost surely, 21310313012 is an apocalyptic number.

1310313012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1310313012 is an abundant number, since it is smaller than the sum of its proper divisors (1957239948).

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

1310313012 is a wasteful number, since it uses less digits than its factorization.

1310313012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60160 (or 60158 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1310313012 is about 36198.2459796051. The cubic root of 1310313012 is about 1094.2713227132.

Adding to 1310313012 its reverse (2103130131), we get a palindrome (3413443143).

It can be divided in two parts, 1 and 310313012, that added together give a palindrome (310313013).

The spelling of 1310313012 in words is "one billion, three hundred ten million, three hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 107 204 214 321 428 642 1284 1819 3638 5457 7276 10914 21828 60029 120058 180087 240116 360174 720348 1020493 2040986 3061479 4081972 6122958 6423103 12245916 12846206 19269309 25692412 38538618 77077236 109192751 218385502 327578253 436771004 655156506 1310313012