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1310212113 = 37412695657
BaseRepresentation
bin100111000011000…
…0100000000010001
310101022101200010120
41032012010000101
510140403241423
6334002220453
744316422250
oct11606040021
93338350116
101310212113
11612642831
12306954729
1317b5a2252
14c601c797
157a05aee3
hex4e184011

1310212113 has 32 divisors (see below), whose sum is σ = 2053175040. Its totient is φ = 727587840.

The previous prime is 1310212087. The next prime is 1310212129. The reversal of 1310212113 is 3112120131.

It is a happy number.

It is not a de Polignac number, because 1310212113 - 28 = 1310211857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310212092 and 1310212101.

It is not an unprimeable number, because it can be changed into a prime (1310212133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228781 + ... + 234437.

It is an arithmetic number, because the mean of its divisors is an integer number (64161720).

Almost surely, 21310212113 is an apocalyptic number.

It is an amenable number.

1310212113 is a deficient number, since it is larger than the sum of its proper divisors (742962927).

1310212113 is a wasteful number, since it uses less digits than its factorization.

1310212113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1310212113 is about 36196.8522526476. The cubic root of 1310212113 is about 1094.2432343314.

Adding to 1310212113 its reverse (3112120131), we get a palindrome (4422332244).

The spelling of 1310212113 in words is "one billion, three hundred ten million, two hundred twelve thousand, one hundred thirteen".

Divisors: 1 3 7 21 41 123 269 287 807 861 1883 5649 5657 11029 16971 33087 39599 77203 118797 231609 231937 695811 1521733 1623559 4565199 4870677 10652131 31956393 62391053 187173159 436737371 1310212113