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13311210431002 = 211255005001781
BaseRepresentation
bin1100000110110100000111…
…1110000010001000011010
31202010112120010211110022211
43001231001332002020122
53221042324332243002
644151030300105334
72542463126540251
oct301550176021032
952115503743284
1013311210431002
1142722862a1800
1215ab97553524a
1375731b1ab743
143403a1d73798
151813c60eedd7
hexc1b41f8221a

13311210431002 has 12 divisors (see below), whose sum is σ = 21946995711018. Its totient is φ = 6050550195800.

The previous prime is 13311210430979. The next prime is 13311210431027. The reversal of 13311210431002 is 20013401211331.

It can be written as a sum of positive squares in only one way, i.e., 12730260066601 + 580950364401 = 3567949^2 + 762201^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27502500649 + ... + 27502501132.

Almost surely, 213311210431002 is an apocalyptic number.

13311210431002 is a deficient number, since it is larger than the sum of its proper divisors (8635785280016).

13311210431002 is a wasteful number, since it uses less digits than its factorization.

13311210431002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005001805 (or 55005001794 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13311210431002 its reverse (20013401211331), we get a palindrome (33324611642333).

The spelling of 13311210431002 in words is "thirteen trillion, three hundred eleven billion, two hundred ten million, four hundred thirty-one thousand, two".

Divisors: 1 2 11 22 121 242 55005001781 110010003562 605055019591 1210110039182 6655605215501 13311210431002