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20032131013203 = 328374623316189
BaseRepresentation
bin1001000111000000110000…
…00011011001101001010011
32121221001102122122002120210
410203200120003121221103
510111201301014410303
6110334344533135203
74135162611103131
oct443403003315123
977831378562523
1020032131013203
1164236407a1901
1222b644018a503
13b24039004b9a
144d37bb706751
1524b135b01203
hex1238180d9a53

20032131013203 has 16 divisors (see below), whose sum is σ = 26804331868160. Its totient is φ = 13307343647904.

The previous prime is 20032131013201. The next prime is 20032131013253. The reversal of 20032131013203 is 30231013123002.

It is not a de Polignac number, because 20032131013203 - 21 = 20032131013201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20032131013203.

It is not an unprimeable number, because it can be changed into a prime (20032131013201) 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, 63196833 + ... + 63513021.

It is an arithmetic number, because the mean of its divisors is an integer number (1675270741760).

Almost surely, 220032131013203 is an apocalyptic number.

20032131013203 is a deficient number, since it is larger than the sum of its proper divisors (6772200854957).

20032131013203 is a wasteful number, since it uses less digits than its factorization.

20032131013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391098.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20032131013203 its reverse (30231013123002), we get a palindrome (50263144136205).

The spelling of 20032131013203 in words is "twenty trillion, thirty-two billion, one hundred thirty-one million, thirteen thousand, two hundred three".

Divisors: 1 3 283 849 74623 223869 316189 948567 21118309 63354927 89481487 268444461 23594971747 70784915241 6677377004401 20032131013203