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31022112001201 = 263871175658923
BaseRepresentation
bin1110000110110111001011…
…11101110100110010110001
311001211200111022202020012121
413003123211331310302301
513031231241133014301
6145551210030354241
76351162566142106
oct703334575646261
9131750438666177
1031022112001201
119980449530802
12359036265b981
1314404ac812c69
1479369a3aaaad
1538be528e43a1
hex1c36e5f74cb1

31022112001201 has 4 divisors (see below), whose sum is σ = 31023287686512. Its totient is φ = 31020936315892.

The previous prime is 31022112001171. The next prime is 31022112001207. The reversal of 31022112001201 is 10210021122013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31022112001201 - 213 = 31022111993009 is a prime.

It is a super-2 number, since 2×310221120012012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31022112001207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587803075 + ... + 587855848.

It is an arithmetic number, because the mean of its divisors is an integer number (7755821921628).

Almost surely, 231022112001201 is an apocalyptic number.

It is an amenable number.

31022112001201 is a deficient number, since it is larger than the sum of its proper divisors (1175685311).

31022112001201 is a wasteful number, since it uses less digits than its factorization.

31022112001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175685310.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31022112001201 its reverse (10210021122013), we get a palindrome (41232133123214).

The spelling of 31022112001201 in words is "thirty-one trillion, twenty-two billion, one hundred twelve million, one thousand, two hundred one".

Divisors: 1 26387 1175658923 31022112001201