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31033020113203 = 1061224331303831
BaseRepresentation
bin1110000111001011100000…
…01000111110000100110011
311001212201122112021201210211
413003211300020332010303
513031421111122110303
6150000212253204551
76352030111436653
oct703456010760463
9131781575251724
1031033020113203
1199850369087a9
1235924a7790757
13144152a6a71c4
14794012d9c363
1538c39038266d
hex1c397023e133

31033020113203 has 8 divisors (see below), whose sum is σ = 31063677447456. Its totient is φ = 31002365433600.

The previous prime is 31033020113167. The next prime is 31033020113237. The reversal of 31033020113203 is 30231102033013.

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 31033020113203 - 217 = 31033019982131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31033020113603) 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, 23149498 + ... + 24453328.

It is an arithmetic number, because the mean of its divisors is an integer number (3882959680932).

Almost surely, 231033020113203 is an apocalyptic number.

31033020113203 is a deficient number, since it is larger than the sum of its proper divisors (30657334253).

31033020113203 is a wasteful number, since it uses less digits than its factorization.

31033020113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327325.

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

Adding to 31033020113203 its reverse (30231102033013), we get a palindrome (61264122146216).

The spelling of 31033020113203 in words is "thirty-one trillion, thirty-three billion, twenty million, one hundred thirteen thousand, two hundred three".

Divisors: 1 1061 22433 1303831 23801413 1383364691 29248840823 31033020113203