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31023321103121 = 711074083627893
BaseRepresentation
bin1110000110111001011100…
…00010001011101100010001
311001211210121120212222020012
413003130232002023230101
513031241230200244441
6145551530021524305
76351234550266434
oct703345602135421
9131753546788205
1031023321103121
119980a09a93996
12359063b573695
131440643173299
14793772bc981b
1538bec3b2b9eb
hex1c372e08bb11

31023321103121 has 8 divisors (see below), whose sum is σ = 31754290503744. Its totient is φ = 30300518958640.

The previous prime is 31023321103039. The next prime is 31023321103139. The reversal of 31023321103121 is 12130112332013.

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 31023321103121 - 230 = 31022247361297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31023321103421) 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, 2041806350 + ... + 2041821543.

It is an arithmetic number, because the mean of its divisors is an integer number (3969286312968).

Almost surely, 231023321103121 is an apocalyptic number.

It is an amenable number.

31023321103121 is a deficient number, since it is larger than the sum of its proper divisors (730969400623).

31023321103121 is a wasteful number, since it uses less digits than its factorization.

31023321103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083628071.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31023321103121 its reverse (12130112332013), we get a palindrome (43153433435134).

The spelling of 31023321103121 in words is "thirty-one trillion, twenty-three billion, three hundred twenty-one million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 71 107 7597 4083627893 289937580403 436948184551 31023321103121