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31354075005 = 3511434419179
BaseRepresentation
bin11101001100110110…
…010011011101111101
32222221010020001002020
4131030312103131331
51003203120400010
622223122350353
72156661145251
oct351466233575
988833201066
1031354075005
111232a615690
1260b04bb3b9
132c58a84206
141736204261
15c3794b470
hex74cd9377d

31354075005 has 32 divisors (see below), whose sum is σ = 55999848960. Its totient is φ = 14848438080.

The previous prime is 31354075003. The next prime is 31354075057. The reversal of 31354075005 is 50057045313.

It is not a de Polignac number, because 31354075005 - 21 = 31354075003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31354075003) 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, 2202495 + ... + 2216684.

It is an arithmetic number, because the mean of its divisors is an integer number (1749995280).

Almost surely, 231354075005 is an apocalyptic number.

It is an amenable number.

31354075005 is a deficient number, since it is larger than the sum of its proper divisors (24645773955).

31354075005 is a wasteful number, since it uses less digits than its factorization.

31354075005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419241.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 31354075005 in words is "thirty-one billion, three hundred fifty-four million, seventy-five thousand, five".

Divisors: 1 3 5 11 15 33 43 55 129 165 215 473 645 1419 2365 7095 4419179 13257537 22095895 48610969 66287685 145832907 190024697 243054845 570074091 729164535 950123485 2090271667 2850370455 6270815001 10451358335 31354075005