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31401675304 = 233925209413
BaseRepresentation
bin11101001111101011…
…111000101000101000
310000001102210101102021
4131033223320220220
51003302312102204
622231542514224
72161106556526
oct351753705050
9100042711367
1031401675304
111235447747a
126104435974
132c658ac27c
14173c675316
15c3bc00154
hex74faf8a28

31401675304 has 8 divisors (see below), whose sum is σ = 58878141210. Its totient is φ = 15700837648.

The previous prime is 31401675301. The next prime is 31401675311. The reversal of 31401675304 is 40357610413.

It can be written as a sum of positive squares in only one way, i.e., 29849472900 + 1552202404 = 172770^2 + 39398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 31401675304.

It is not an unprimeable number, because it can be changed into a prime (31401675301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962604699 + ... + 1962604714.

Almost surely, 231401675304 is an apocalyptic number.

It is an amenable number.

31401675304 is a deficient number, since it is larger than the sum of its proper divisors (27476465906).

31401675304 is a wasteful number, since it uses less digits than its factorization.

31401675304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925209419 (or 3925209415 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 31401675304 in words is "thirty-one billion, four hundred one million, six hundred seventy-five thousand, three hundred four".

Divisors: 1 2 4 8 3925209413 7850418826 15700837652 31401675304