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20231310031203 = 3174312772640973
BaseRepresentation
bin1001001100110011110000…
…00011000011100101100011
32122122002112210002120111110
410212121320003003211203
510122432210331444303
6111010045134514403
74155443502604455
oct446317003034543
978562483076443
1020231310031203
1164a00610a1087
122328b68965a03
13b39a5c205a9b
144dd2b475a2d5
152513e1e56703
hex1266780c3963

20231310031203 has 32 divisors (see below), whose sum is σ = 29456205520896. Its totient is φ = 12301312762368.

The previous prime is 20231310031171. The next prime is 20231310031211. The reversal of 20231310031203 is 30213001313202.

It is not a de Polignac number, because 20231310031203 - 25 = 20231310031171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231310031203.

It is not an unprimeable number, because it can be changed into a prime (20231310031103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36041976 + ... + 36598997.

It is an arithmetic number, because the mean of its divisors is an integer number (920506422528).

Almost surely, 220231310031203 is an apocalyptic number.

20231310031203 is a deficient number, since it is larger than the sum of its proper divisors (9224895489693).

20231310031203 is a wasteful number, since it uses less digits than its factorization.

20231310031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72641163.

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

Adding to 20231310031203 its reverse (30213001313202), we get a palindrome (50444311344405).

The spelling of 20231310031203 in words is "twenty trillion, two hundred thirty-one billion, three hundred ten million, thirty-one thousand, two hundred three".

Divisors: 1 3 17 43 51 127 129 381 731 2159 2193 5461 6477 16383 92837 278511 72640973 217922919 1234896541 3123561839 3704689623 9225403571 9370685517 27676210713 53100551263 156831860707 159301653789 396692353553 470495582121 1190077060659 6743770010401 20231310031203