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31404303201 = 3172239471663
BaseRepresentation
bin11101001111110101…
…111010001101100001
310000001121201220012210
4131033311322031201
51003304000200301
622232115112333
72161141113165
oct351765721541
9100047656183
1031404303201
1112355a01897
1261052a26a9
132c662bc43b
14173cb5aca5
15c3c06dad6
hex74fd7a361

31404303201 has 48 divisors (see below), whose sum is σ = 46491254784. Its totient is φ = 18816711936.

The previous prime is 31404303199. The next prime is 31404303233. The reversal of 31404303201 is 10230340413.

It is not a de Polignac number, because 31404303201 - 21 = 31404303199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31404303251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18883296 + ... + 18884958.

It is an arithmetic number, because the mean of its divisors is an integer number (968567808).

Almost surely, 231404303201 is an apocalyptic number.

It is an amenable number.

31404303201 is a deficient number, since it is larger than the sum of its proper divisors (15086951583).

31404303201 is a wasteful number, since it uses less digits than its factorization.

31404303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670 (or 2653 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 31404303201 its reverse (10230340413), we get a palindrome (41634643614).

The spelling of 31404303201 in words is "thirty-one billion, four hundred four million, three hundred three thousand, two hundred one".

Divisors: 1 3 17 23 51 69 289 391 867 947 1173 1663 2841 4989 6647 16099 19941 21781 28271 38249 48297 65343 84813 114747 273683 370277 480607 650233 821049 1110831 1441821 1574861 1950699 4724583 6294709 11053961 18884127 26772637 33161883 36221803 80317911 108665409 455134829 615770651 1365404487 1847311953 10468101067 31404303201