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1311401113 = 11412907763
BaseRepresentation
bin100111000101010…
…0110010010011001
310101101122002010121
41032022212102121
510141204313423
6334043513241
744332503601
oct11612462231
93341562117
101311401113
11613285080
12307228821
1317b8ca4b9
14c624bc01
157a1e345d
hex4e2a6499

1311401113 has 8 divisors (see below), whose sum is σ = 1465513056. Its totient is φ = 1163104800.

The previous prime is 1311401089. The next prime is 1311401137. The reversal of 1311401113 is 3111041131.

It is an interprime number because it is at equal distance from previous prime (1311401089) and next prime (1311401137).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1311401113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311401173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453431 + ... + 1454332.

It is an arithmetic number, because the mean of its divisors is an integer number (183189132).

Almost surely, 21311401113 is an apocalyptic number.

It is an amenable number.

1311401113 is a deficient number, since it is larger than the sum of its proper divisors (154111943).

1311401113 is a wasteful number, since it uses less digits than its factorization.

1311401113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907815.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1311401113 is about 36213.2726082579. The cubic root of 1311401113 is about 1094.5741379634.

Adding to 1311401113 its reverse (3111041131), we get a palindrome (4422442244).

The spelling of 1311401113 in words is "one billion, three hundred eleven million, four hundred one thousand, one hundred thirteen".

Divisors: 1 11 41 451 2907763 31985393 119218283 1311401113