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31020011002013 = 1112173989580891
BaseRepresentation
bin1110000110110011010001…
…01111001001100010011101
311001211111001220100102010212
413003121220233021202131
513031212440304031023
6145550221334542205
76351056535014045
oct703315057114235
9131744056312125
1031020011002013
11997a57057aa40
12358ba76b07965
131440236465387
1479353b340725
1538bd7d230e78
hex1c3668bc989d

31020011002013 has 16 divisors (see below), whose sum is σ = 33876366713280. Its totient is φ = 28169726131200.

The previous prime is 31020011002007. The next prime is 31020011002031.

31020011002013 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31020011002013 - 26 = 31020011001949 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 (31020011002063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53110298 + ... + 53691188.

It is an arithmetic number, because the mean of its divisors is an integer number (2117272919580).

Almost surely, 231020011002013 is an apocalyptic number.

It is an amenable number.

31020011002013 is a deficient number, since it is larger than the sum of its proper divisors (2856355711267).

31020011002013 is a wasteful number, since it uses less digits than its factorization.

31020011002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586108.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 3102001 and 1002013, that added together give a palindrome (4104014).

The spelling of 31020011002013 in words is "thirty-one trillion, twenty billion, eleven million, two thousand, thirteen".

Divisors: 1 11 1217 3989 13387 43879 580891 4854613 6389801 53400743 706944347 2317174199 7776387817 25488916189 2820001000183 31020011002013