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31145320052203 = 731451314146733
BaseRepresentation
bin1110001010011100101011…
…01111001111010111101011
311002021110111220102201100211
413011032111233033113223
513040241103413132303
6150123543522441551
76363114031245640
oct705162557172753
9132243456381324
1031145320052203
119a18724238045
1235b02088032b7
13144bcb6527556
147996277d5dc7
1539026433866d
hex1c5395bcf5eb

31145320052203 has 8 divisors (see below), whose sum is σ = 35594767178208. Its totient is φ = 26695901848704.

The previous prime is 31145320052141. The next prime is 31145320052237. The reversal of 31145320052203 is 30225002354113.

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 31145320052203 - 221 = 31145317955051 is a prime.

It is a super-2 number, since 2×311453200522032 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31145320052293) 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, 4871776 + ... + 9274957.

It is an arithmetic number, because the mean of its divisors is an integer number (4449345897276).

Almost surely, 231145320052203 is an apocalyptic number.

31145320052203 is a deficient number, since it is larger than the sum of its proper divisors (4449447126005).

31145320052203 is a wasteful number, since it uses less digits than its factorization.

31145320052203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14461253.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 31145320052203 in words is "thirty-one trillion, one hundred forty-five billion, three hundred twenty million, fifty-two thousand, two hundred three".

Divisors: 1 7 314513 2201591 14146733 99027131 4449331436029 31145320052203