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31234414221005 = 516338324434627
BaseRepresentation
bin1110001101000010101000…
…01010100001011011001101
311002120222111000211102200112
413012201110022201123031
513043221040020033010
6150232520344005405
76402416621216132
oct706412412413315
9132528430742615
1031234414221005
119a52493603806
123605532160865
131457514790c28
1479da7a29a589
1539272add5a05
hex1c68542a16cd

31234414221005 has 8 divisors (see below), whose sum is σ = 37711243673952. Its totient is φ = 24834233637648.

The previous prime is 31234414221001. The next prime is 31234414221019. The reversal of 31234414221005 is 50012241443213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31234414221005 - 22 = 31234414221001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234414221001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19162216499 + ... + 19162218128.

It is an arithmetic number, because the mean of its divisors is an integer number (4713905459244).

Almost surely, 231234414221005 is an apocalyptic number.

It is an amenable number.

31234414221005 is a deficient number, since it is larger than the sum of its proper divisors (6476829452947).

31234414221005 is a wasteful number, since it uses less digits than its factorization.

31234414221005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38324434795.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 31234414221005 its reverse (50012241443213), we get a palindrome (81246655664218).

The spelling of 31234414221005 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred fourteen million, two hundred twenty-one thousand, five".

Divisors: 1 5 163 815 38324434627 191622173135 6246882844201 31234414221005