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31130021113301 = 113346184576131
BaseRepresentation
bin1110001010000000001011…
…10110011010110111010101
311002020000000200210002121002
413011000011312122313111
513040013240401111201
6150112533445233045
76362032641356345
oct705000566326725
9132200020702532
1031130021113301
119a121933a6890
1235a9259102785
13144a718a92696
147989b59d6d25
1538eb6b17476b
hex1c5005d9add5

31130021113301 has 8 divisors (see below), whose sum is σ = 33961038347808. Its totient is φ = 28299173098000.

The previous prime is 31130021113277. The next prime is 31130021113313. The reversal of 31130021113301 is 10331112003113.

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 31130021113301 - 226 = 31129954004437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130027113301) 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, 41919995 + ... + 42656136.

It is an arithmetic number, because the mean of its divisors is an integer number (4245129793476).

Almost surely, 231130021113301 is an apocalyptic number.

It is an amenable number.

31130021113301 is a deficient number, since it is larger than the sum of its proper divisors (2831017234507).

31130021113301 is a wasteful number, since it uses less digits than its factorization.

31130021113301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84609603.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31130021113301 its reverse (10331112003113), we get a palindrome (41461133116414).

The spelling of 31130021113301 in words is "thirty-one trillion, one hundred thirty billion, twenty-one million, one hundred thirteen thousand, three hundred one".

Divisors: 1 11 33461 368071 84576131 930337441 2830001919391 31130021113301