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1031300121423 = 311138572805091
BaseRepresentation
bin11110000000111100100…
…01110000001101001111
310122120222002010100011110
433000132101300031033
5113344100312341143
62105434524423103
7134336402252235
oct17003621601517
93576862110143
101031300121423
1136841003a440
12147a583a7a93
1376335b0bc50
1437cb5404955
151bc5e5a6533
hexf01e47034f

1031300121423 has 32 divisors (see below), whose sum is σ = 1617348724992. Its totient is φ = 576277689600.

The previous prime is 1031300121389. The next prime is 1031300121427. The reversal of 1031300121423 is 3241210031301.

It is not a de Polignac number, because 1031300121423 - 26 = 1031300121359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031300121423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031300121427) 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 31 ways as a sum of consecutive naturals, for example, 1034893 + ... + 1770198.

It is an arithmetic number, because the mean of its divisors is an integer number (50542147656).

Almost surely, 21031300121423 is an apocalyptic number.

1031300121423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031300121423 is a deficient number, since it is larger than the sum of its proper divisors (586048603569).

1031300121423 is a wasteful number, since it uses less digits than its factorization.

1031300121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805975.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1031300121423 its reverse (3241210031301), we get a palindrome (4272510152724).

The spelling of 1031300121423 in words is "one trillion, thirty-one billion, three hundred million, one hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 3 11 13 33 39 143 429 857 2571 9427 11141 28281 33423 122551 367653 2805091 8415273 30856001 36466183 92568003 109398549 401128013 1203384039 2403962987 7211888961 26443592857 31251518831 79330778571 93754556493 343766707141 1031300121423