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1031310020211 = 31133042212449
BaseRepresentation
bin11110000000111101101…
…11100000111001110011
310122120222202202020202020
433000132313200321303
5113344110331121321
62105435520522523
7134336552350542
oct17003667407163
93576882666666
101031310020211
11368415690559
12147a5b780443
1376337b96713
1437cb6860159
151bc603ae4c6
hexf01ede0e73

1031310020211 has 8 divisors (see below), whose sum is σ = 1387248877200. Its totient is φ = 681455588352.

The previous prime is 1031310020207. The next prime is 1031310020227. The reversal of 1031310020211 is 1120200131301.

It is a happy number.

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

It is not a de Polignac number, because 1031310020211 - 22 = 1031310020207 is a prime.

It is a super-2 number, since 2×10313100202112 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1031310020011) 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, 1521105886 + ... + 1521106563.

It is an arithmetic number, because the mean of its divisors is an integer number (173406109650).

Almost surely, 21031310020211 is an apocalyptic number.

1031310020211 is a deficient number, since it is larger than the sum of its proper divisors (355938856989).

1031310020211 is a wasteful number, since it uses less digits than its factorization.

1031310020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042212565.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1031310020211 its reverse (1120200131301), we get a palindrome (2151510151512).

The spelling of 1031310020211 in words is "one trillion, thirty-one billion, three hundred ten million, twenty thousand, two hundred eleven".

Divisors: 1 3 113 339 3042212449 9126637347 343770006737 1031310020211