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1031020013213 = 139223322910301
BaseRepresentation
bin11110000000011011001…
…01001110011010011101
310122120020120001100221022
433000031211032122131
5113343012110410323
62105351041013525
7134326431341231
oct17001545163235
93576216040838
101031020013213
11368286a11a53
1214799a6242a5
13762bca87248
1437c8a12c5c1
151bc44bc64c8
hexf00d94e69d

1031020013213 has 16 divisors (see below), whose sum is σ = 1043518425600. Its totient is φ = 1018597982400.

The previous prime is 1031020013209. The next prime is 1031020013249. The reversal of 1031020013213 is 3123100201301.

1031020013213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1031020013213 - 22 = 1031020013209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031020013191 and 1031020013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031020013203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100084163 + ... + 100094463.

It is an arithmetic number, because the mean of its divisors is an integer number (65219901600).

Almost surely, 21031020013213 is an apocalyptic number.

It is an amenable number.

1031020013213 is a deficient number, since it is larger than the sum of its proper divisors (12498412387).

1031020013213 is a wasteful number, since it uses less digits than its factorization.

1031020013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1031020013213 its reverse (3123100201301), we get a palindrome (4154120214514).

The spelling of 1031020013213 in words is "one trillion, thirty-one billion, twenty million, thirteen thousand, two hundred thirteen".

Divisors: 1 139 223 3229 10301 30997 448831 720067 1431839 2297123 33261929 100089313 319300097 4623408131 7417410167 1031020013213