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31044311411 = 70549440039
BaseRepresentation
bin11100111010011000…
…101001100101110011
32222010112100102022112
4130322120221211303
51002034320431121
622132255155535
72146210202351
oct347230514563
988115312275
1031044311411
1112190782713
126024815bab
132c09848349
14170700c7d1
15c1a65e75b
hex73a629973

31044311411 has 4 divisors (see below), whose sum is σ = 31044822000. Its totient is φ = 31043800824.

The previous prime is 31044311401. The next prime is 31044311423. The reversal of 31044311411 is 11411344013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31044311411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31044311401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149471 + ... + 290568.

It is an arithmetic number, because the mean of its divisors is an integer number (7761205500).

Almost surely, 231044311411 is an apocalyptic number.

31044311411 is a deficient number, since it is larger than the sum of its proper divisors (510589).

31044311411 is an equidigital number, since it uses as much as digits as its factorization.

31044311411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510588.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31044311411 its reverse (11411344013), we get a palindrome (42455655424).

The spelling of 31044311411 in words is "thirty-one billion, forty-four million, three hundred eleven thousand, four hundred eleven".

Divisors: 1 70549 440039 31044311411