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31103023130301 = 321234234882529
BaseRepresentation
bin1110001001001101111001…
…01001010010011010111101
311002010102100011022110100210
413010212330221102122331
513034042442410132201
6150052310452543033
76360055623323553
oct704467451223275
9132112304273323
1031103023130301
119a01799780641
1235a3b83621a79
131448005639c05
1479757415bbd3
1538e0dad8c1d6
hex1c49bca526bd

31103023130301 has 8 divisors (see below), whose sum is σ = 41470725530880. Its totient is φ = 20735334741632.

The previous prime is 31103023130269. The next prime is 31103023130323. The reversal of 31103023130301 is 10303132030113.

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 31103023130301 - 25 = 31103023130269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103023137301) 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, 3929005 + ... + 8811533.

It is an arithmetic number, because the mean of its divisors is an integer number (5183840691360).

Almost surely, 231103023130301 is an apocalyptic number.

It is an amenable number.

31103023130301 is a deficient number, since it is larger than the sum of its proper divisors (10367702400579).

31103023130301 is a wasteful number, since it uses less digits than its factorization.

31103023130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005955.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31103023130301 its reverse (10303132030113), we get a palindrome (41406155160414).

The spelling of 31103023130301 in words is "thirty-one trillion, one hundred three billion, twenty-three million, one hundred thirty thousand, three hundred one".

Divisors: 1 3 2123423 4882529 6370269 14647587 10367674376767 31103023130301