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31242005301 = 313801077059
BaseRepresentation
bin11101000110001010…
…110010101100110101
32222122022100022100110
4131012022302230311
51002440423132201
622204040333233
72154130443363
oct350612625465
988568308313
1031242005301
111228232aaa1
12607aa74219
132c3b7a5a90
141725390633
15c2cbb06d6
hex7462b2b35

31242005301 has 8 divisors (see below), whose sum is σ = 44860315360. Its totient is φ = 19225849392.

The previous prime is 31242005297. The next prime is 31242005339. The reversal of 31242005301 is 10350024213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31242005301 - 22 = 31242005297 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242025301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400538491 + ... + 400538568.

It is an arithmetic number, because the mean of its divisors is an integer number (5607539420).

Almost surely, 231242005301 is an apocalyptic number.

It is an amenable number.

31242005301 is a deficient number, since it is larger than the sum of its proper divisors (13618310059).

31242005301 is a wasteful number, since it uses less digits than its factorization.

31242005301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801077075.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 31242005301 its reverse (10350024213), we get a palindrome (41592029514).

The spelling of 31242005301 in words is "thirty-one billion, two hundred forty-two million, five thousand, three hundred one".

Divisors: 1 3 13 39 801077059 2403231177 10414001767 31242005301