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31120130213311 = 731034138865569
BaseRepresentation
bin1110001001101101110000…
…10011101000010110111111
311002012001111101022022112211
413010312320103220112333
513034333011313311221
6150104220201041251
76361232560200256
oct704667023502677
9132161441268484
1031120130213311
119a08a78229277
1235a7358786227
131449800883a39
1479831815379d
1538e78cb676e1
hex1c4db84e85bf

31120130213311 has 8 divisors (see below), whose sum is σ = 31852709426720. Its totient is φ = 30395828731392.

The previous prime is 31120130213297. The next prime is 31120130213369. The reversal of 31120130213311 is 11331203102113.

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 31120130213311 - 223 = 31120121824703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31120130213371) 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, 2069425266 + ... + 2069440303.

It is an arithmetic number, because the mean of its divisors is an integer number (3981588678340).

Almost surely, 231120130213311 is an apocalyptic number.

31120130213311 is a deficient number, since it is larger than the sum of its proper divisors (732579213409).

31120130213311 is a wasteful number, since it uses less digits than its factorization.

31120130213311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138865745.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31120130213311 its reverse (11331203102113), we get a palindrome (42451333315424).

The spelling of 31120130213311 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, two hundred thirteen thousand, three hundred eleven".

Divisors: 1 73 103 7519 4138865569 302137186537 426303153607 31120130213311