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31150542104405 = 59376648995113
BaseRepresentation
bin1110001010100110011001…
…11111110010011101010101
311002021221222211122110021122
413011103030333302131111
513040332302234320110
6150130210025253325
76363360321044633
oct705231477623525
9132257884573248
1031150542104405
119a1a963a1a169
1235b1225634245
13144c639391979
147999a117a353
1539046ca03255
hex1c54ccff2755

31150542104405 has 8 divisors (see below), whose sum is σ = 37420544501592. Its totient is φ = 24893837699328.

The previous prime is 31150542104393. The next prime is 31150542104477. The reversal of 31150542104405 is 50440124505113.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3471726648049 + 27678815456356 = 1863257^2 + 5261066^2 .

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 31150542104405 - 218 = 31150541842261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3324492872 + ... + 3324502241.

It is an arithmetic number, because the mean of its divisors is an integer number (4677568062699).

Almost surely, 231150542104405 is an apocalyptic number.

It is an amenable number.

31150542104405 is a deficient number, since it is larger than the sum of its proper divisors (6270002397187).

31150542104405 is an equidigital number, since it uses as much as digits as its factorization.

31150542104405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648996055.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 31150542104405 its reverse (50440124505113), we get a palindrome (81590666609518).

The spelling of 31150542104405 in words is "thirty-one trillion, one hundred fifty billion, five hundred forty-two million, one hundred four thousand, four hundred five".

Divisors: 1 5 937 4685 6648995113 33244975565 6230108420881 31150542104405