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1031230032313 = 13531496705417
BaseRepresentation
bin11110000000110100001…
…10011000100110111001
310122120210012020102222111
433000122012120212321
5113343424342013223
62105423542252321
7134334561434635
oct17003206304671
93576705212874
101031230032313
11368384518458
12147a38a270a1
137632443b9c0
1437ca9d9bdc5
151bc5835e30d
hexf01a1989b9

1031230032313 has 8 divisors (see below), whose sum is σ = 1131509296008. Its totient is φ = 933944179584.

The previous prime is 1031230032293. The next prime is 1031230032337. The reversal of 1031230032313 is 3132300321301.

It can be written as a sum of positive squares in 4 ways, for example, as 46110261289 + 985119771024 = 214733^2 + 992532^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031230032313 - 225 = 1031196477881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031230032353) 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, 748352020 + ... + 748353397.

It is an arithmetic number, because the mean of its divisors is an integer number (141438662001).

Almost surely, 21031230032313 is an apocalyptic number.

1031230032313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1031230032313 is a deficient number, since it is larger than the sum of its proper divisors (100279263695).

1031230032313 is a wasteful number, since it uses less digits than its factorization.

1031230032313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496705483.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1031230032313 its reverse (3132300321301), we get a palindrome (4163530353614).

The spelling of 1031230032313 in words is "one trillion, thirty-one billion, two hundred thirty million, thirty-two thousand, three hundred thirteen".

Divisors: 1 13 53 689 1496705417 19457170421 79325387101 1031230032313