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31344431102241 = 3227127935986759
BaseRepresentation
bin1110010000001111100011…
…01011100111100100100001
311002222111110022000001202120
413020013301223213210201
513102021343330232431
6150355233255334453
76413363136246045
oct710076153474441
9132874408001676
1031344431102241
119a9510a233a54
123622916681429
1314649c861b81a
147a51157d6025
15395519715196
hex1c81f1ae7921

31344431102241 has 16 divisors (see below), whose sum is σ = 42009504153600. Its totient is φ = 20787966679248.

The previous prime is 31344431102209. The next prime is 31344431102249. The reversal of 31344431102241 is 14220113444313.

It is a happy number.

It is not a de Polignac number, because 31344431102241 - 25 = 31344431102209 is a prime.

It is a super-2 number, since 2×313444311022412 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31344431102249) 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, 17122381 + ... + 18864378.

It is an arithmetic number, because the mean of its divisors is an integer number (2625594009600).

Almost surely, 231344431102241 is an apocalyptic number.

It is an amenable number.

31344431102241 is a deficient number, since it is larger than the sum of its proper divisors (10665073051359).

31344431102241 is a wasteful number, since it uses less digits than its factorization.

31344431102241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35988268.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31344431102241 its reverse (14220113444313), we get a palindrome (45564544546554).

The spelling of 31344431102241 in words is "thirty-one trillion, three hundred forty-four billion, four hundred thirty-one million, one hundred two thousand, two hundred forty-one".

Divisors: 1 3 227 681 1279 3837 290333 870999 35986759 107960277 8168994293 24506982879 46027064761 138081194283 10448143700747 31344431102241