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1031244405031 = 5074120323691
BaseRepresentation
bin11110000000110101111…
…01001101100100100111
310122120211012021122122101
433000122331031210213
5113343442031430111
62105425214312531
7134335124545621
oct17003275154447
93576735248571
101031244405031
11368391644935
12147a417b8747
1376327401979
1437cabc5dc11
151bc5974cbc1
hexf01af4d927

1031244405031 has 4 divisors (see below), whose sum is σ = 1031264779464. Its totient is φ = 1031224030600.

The previous prime is 1031244405029. The next prime is 1031244405127. The reversal of 1031244405031 is 1305044421301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031244405031 - 21 = 1031244405029 is a prime.

It is a super-2 number, since 2×10312444050312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031244405131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111105 + ... + 10212586.

It is an arithmetic number, because the mean of its divisors is an integer number (257816194866).

Almost surely, 21031244405031 is an apocalyptic number.

1031244405031 is a deficient number, since it is larger than the sum of its proper divisors (20374433).

1031244405031 is an equidigital number, since it uses as much as digits as its factorization.

1031244405031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374432.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1031244405031 its reverse (1305044421301), we get a palindrome (2336288826332).

The spelling of 1031244405031 in words is "one trillion, thirty-one billion, two hundred forty-four million, four hundred five thousand, thirty-one".

Divisors: 1 50741 20323691 1031244405031