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31342152241 = 47666854303
BaseRepresentation
bin11101001100001000…
…110100101000110001
32222220021210022010101
4131030020310220301
51003142042332431
622222015032401
72156454620101
oct351410645061
988807708111
1031342152241
1112323911964
1260a850b701
132c5646b41a
1417347bd201
15c36893961
hex74c234a31

31342152241 has 4 divisors (see below), whose sum is σ = 32009006592. Its totient is φ = 30675297892.

The previous prime is 31342152197. The next prime is 31342152263. The reversal of 31342152241 is 14225124313.

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 31342152241 - 219 = 31341627953 is a prime.

It is a super-3 number, since 3×313421522413 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31342158241) 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, 333427105 + ... + 333427198.

It is an arithmetic number, because the mean of its divisors is an integer number (8002251648).

Almost surely, 231342152241 is an apocalyptic number.

It is an amenable number.

31342152241 is a deficient number, since it is larger than the sum of its proper divisors (666854351).

31342152241 is an equidigital number, since it uses as much as digits as its factorization.

31342152241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666854350.

The product of its digits is 5760, while the sum is 28.

Adding to 31342152241 its reverse (14225124313), we get a palindrome (45567276554).

The spelling of 31342152241 in words is "thirty-one billion, three hundred forty-two million, one hundred fifty-two thousand, two hundred forty-one".

Divisors: 1 47 666854303 31342152241