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31240413230304 = 253325420971149
BaseRepresentation
bin1110001101001101110011…
…01110111011010011100000
311002121112222010000200101010
413012212321232323103200
513043320331241332204
6150235351523340520
76403021364030145
oct706467156732340
9132545863020333
1031240413230304
119a54a91918233
123606727221740
131457c5c5a0a85
147a0088ccc3cc
1539297c8c4d89
hex1c69b9bbb4e0

31240413230304 has 24 divisors (see below), whose sum is σ = 82006084729800. Its totient is φ = 10413471076736.

The previous prime is 31240413230291. The next prime is 31240413230321. The reversal of 31240413230304 is 40303231404213.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162710485479 + ... + 162710485670.

It is an arithmetic number, because the mean of its divisors is an integer number (3416920197075).

Almost surely, 231240413230304 is an apocalyptic number.

It is an amenable number.

31240413230304 is an abundant number, since it is smaller than the sum of its proper divisors (50765671499496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31240413230304 is a wasteful number, since it uses less digits than its factorization.

31240413230304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325420971162 (or 325420971154 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31240413230304 its reverse (40303231404213), we get a palindrome (71543644634517).

The spelling of 31240413230304 in words is "thirty-one trillion, two hundred forty billion, four hundred thirteen million, two hundred thirty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 325420971149 650841942298 976262913447 1301683884596 1952525826894 2603367769192 3905051653788 5206735538384 7810103307576 10413471076768 15620206615152 31240413230304