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31456345063153 = 1719536291815959
BaseRepresentation
bin1110010011100000000000…
…10001011111111011110001
311010101012022202212022220211
413021300000101133323301
513110340043314010103
6150522502340104121
76424434361233343
oct711600021377361
9133335282768824
1031456345063153
11a0286197a523a
12364054a395041
1314724224c997a
147aa6d0c79293
153983b987736d
hex1c9c0045fef1

31456345063153 has 16 divisors (see below), whose sum is σ = 35060376528000. Its totient is φ = 28047224339712.

The previous prime is 31456345063139. The next prime is 31456345063177. The reversal of 31456345063153 is 35136054365413.

It is a cyclic number.

It is not a de Polignac number, because 31456345063153 - 229 = 31455808192241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31456345063097 and 31456345063106.

It is not an unprimeable number, because it can be changed into a prime (31456345063553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16414188 + ... + 18230146.

It is an arithmetic number, because the mean of its divisors is an integer number (2191273533000).

Almost surely, 231456345063153 is an apocalyptic number.

It is an amenable number.

31456345063153 is a deficient number, since it is larger than the sum of its proper divisors (3604031464847).

31456345063153 is a wasteful number, since it uses less digits than its factorization.

31456345063153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869624.

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 31456345063153 in words is "thirty-one trillion, four hundred fifty-six billion, three hundred forty-five million, sixty-three thousand, one hundred fifty-three".

Divisors: 1 17 19 323 53629 911693 1018951 1815959 17322167 30871303 34503221 586554757 97388065211 1655597108587 1850373239009 31456345063153