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31103323401 = 347417218651
BaseRepresentation
bin11100111101111001…
…110000110100001001
32222021122101112112210
4130331321300310021
51002144422322101
622142204055333
72150524613103
oct347571606411
988248345483
1031103323401
1112211019257
126040534549
132c18b3a697
141710bb0573
15c209197d6
hex73de70d09

31103323401 has 8 divisors (see below), whose sum is σ = 41472162144. Its totient is φ = 20735016800.

The previous prime is 31103323333. The next prime is 31103323423. The reversal of 31103323401 is 10432330113.

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 31103323401 - 214 = 31103307017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31103323441) 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 7 ways as a sum of consecutive naturals, for example, 32926 + ... + 251576.

It is an arithmetic number, because the mean of its divisors is an integer number (5184020268).

Almost surely, 231103323401 is an apocalyptic number.

It is an amenable number.

31103323401 is a deficient number, since it is larger than the sum of its proper divisors (10368838743).

31103323401 is a wasteful number, since it uses less digits than its factorization.

31103323401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266071.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31103323401 its reverse (10432330113), we get a palindrome (41535653514).

The spelling of 31103323401 in words is "thirty-one billion, one hundred three million, three hundred twenty-three thousand, four hundred one".

Divisors: 1 3 47417 142251 218651 655953 10367774467 31103323401