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31023200121323 = 257206358513253
BaseRepresentation
bin1110000110111001001101…
…10100101011000111101011
311001211210022011020110101212
413003130212310223013223
513031241003212340243
6145551510020503335
76351231551046014
oct703344664530753
9131753264213355
1031023200121323
119980957771533
123590606b4ab4b
131440624094517
14793760ad600b
1538beb81d0318
hex1c3726d2b1eb

31023200121323 has 8 divisors (see below), whose sum is σ = 31159009914048. Its totient is φ = 30887507359744.

The previous prime is 31023200121301. The next prime is 31023200121509. The reversal of 31023200121323 is 32312100232013.

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 31023200121323 - 222 = 31023195927019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023200120323) 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, 28726436 + ... + 29786817.

It is an arithmetic number, because the mean of its divisors is an integer number (3894876239256).

Almost surely, 231023200121323 is an apocalyptic number.

31023200121323 is a deficient number, since it is larger than the sum of its proper divisors (135809792725).

31023200121323 is a wasteful number, since it uses less digits than its factorization.

31023200121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58515573.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31023200121323 its reverse (32312100232013), we get a palindrome (63335300353336).

The spelling of 31023200121323 in words is "thirty-one trillion, twenty-three billion, two hundred million, one hundred twenty-one thousand, three hundred twenty-three".

Divisors: 1 257 2063 530191 58513253 15037906021 120712840939 31023200121323