Search a number
-
+
31400044212201 = 373758073695881
BaseRepresentation
bin1110010001110111001000…
…11110110010111111101001
311010011211000001212202200220
413020323210132302333221
513103424242304242301
6150440551533320253
76420402240006630
oct710734436627751
9133154001782626
1031400044212201
11a0067583a6655
123631657336089
13146a01c255c92
147a7aad7c4517
15396bc1c6d936
hex1c8ee47b2fe9

31400044212201 has 32 divisors (see below), whose sum is σ = 49141783941888. Its totient is φ = 17457613931520.

The previous prime is 31400044212197. The next prime is 31400044212247. The reversal of 31400044212201 is 10221244000413.

It is not a de Polignac number, because 31400044212201 - 22 = 31400044212197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31400044212281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44774781 + ... + 45470661.

It is an arithmetic number, because the mean of its divisors is an integer number (1535680748184).

Almost surely, 231400044212201 is an apocalyptic number.

It is an amenable number.

31400044212201 is a deficient number, since it is larger than the sum of its proper divisors (17741739729687).

31400044212201 is a wasteful number, since it uses less digits than its factorization.

31400044212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754001.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 31400044212201 its reverse (10221244000413), we get a palindrome (41621288212614).

The spelling of 31400044212201 in words is "thirty-one trillion, four hundred billion, forty-four million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 7 21 37 111 259 777 58073 174219 406511 695881 1219533 2087643 2148701 4871167 6446103 14613501 15040907 25747597 45122721 77242791 180233179 540699537 40411897313 121235691939 282883281191 848649843573 1495240200581 4485720601743 10466681404067 31400044212201