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311421214413 = 3234602357157
BaseRepresentation
bin1001000100000100010…
…01101001111011001101
31002202211110221211112100
410202002021221323031
520100242312330123
6355022005225313
731333210434501
oct4420211517315
91082743854470
10311421214413
1111008917a781
1250432402239
13234a00b494a
1411103d3a301
15817a202643
hex4882269ecd

311421214413 has 6 divisors (see below), whose sum is σ = 449830643054. Its totient is φ = 207614142936.

The previous prime is 311421214411. The next prime is 311421214417. The reversal of 311421214413 is 314412124113.

It is a happy number.

311421214413 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 212 + 1 + 441 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164331322884 + 147089891529 = 405378^2 + 383523^2 .

It is not a de Polignac number, because 311421214413 - 21 = 311421214411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311421214411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17301178570 + ... + 17301178587.

Almost surely, 2311421214413 is an apocalyptic number.

It is an amenable number.

311421214413 is a deficient number, since it is larger than the sum of its proper divisors (138409428641).

311421214413 is a wasteful number, since it uses less digits than its factorization.

311421214413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34602357163 (or 34602357160 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 311421214413 its reverse (314412124113), we get a palindrome (625833338526).

The spelling of 311421214413 in words is "three hundred eleven billion, four hundred twenty-one million, two hundred fourteen thousand, four hundred thirteen".

Divisors: 1 3 9 34602357157 103807071471 311421214413