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1203023230031 = 7171860461433
BaseRepresentation
bin10001100000011001110…
…001011011010001001111
311021000012202110002221002
4101200121301123101033
5124202242421330111
62320354454530515
7152626015506530
oct21403161332117
94230182402832
101203023230031
11424221283607
121751a2066a3b
13895a1a4390c
1442325c5a687
152146031c63b
hex11819c5b44f

1203023230031 has 4 divisors (see below), whose sum is σ = 1374883691472. Its totient is φ = 1031162768592.

The previous prime is 1203023230007. The next prime is 1203023230037. The reversal of 1203023230031 is 1300323203021.

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 1203023230031 - 234 = 1185843360847 is a prime.

It is a super-2 number, since 2×12030232300312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203023229985 and 1203023230012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203023230037) 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 3 ways as a sum of consecutive naturals, for example, 85930230710 + ... + 85930230723.

It is an arithmetic number, because the mean of its divisors is an integer number (343720922868).

Almost surely, 21203023230031 is an apocalyptic number.

1203023230031 is a deficient number, since it is larger than the sum of its proper divisors (171860461441).

1203023230031 is an equidigital number, since it uses as much as digits as its factorization.

1203023230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171860461440.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1203023230031 its reverse (1300323203021), we get a palindrome (2503346433052).

The spelling of 1203023230031 in words is "one trillion, two hundred three billion, twenty-three million, two hundred thirty thousand, thirty-one".

Divisors: 1 7 171860461433 1203023230031