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31042040010241 = 132387849231557
BaseRepresentation
bin1110000111011100010011…
…10001001001011000000001
311001220120221010210222102111
413003232021301021120001
513032043044220311431
6150004303305015321
76352466455340611
oct703561161113001
9131816833728374
1031042040010241
119988945359967
1235941a4484541
131442337302aa0
1479462acb2a41
1538c71c18e7b1
hex1c3b89c49601

31042040010241 has 4 divisors (see below), whose sum is σ = 33429889241812. Its totient is φ = 28654190778672.

The previous prime is 31042040010209. The next prime is 31042040010251. The reversal of 31042040010241 is 14201004024013.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13374351153216 + 17667688857025 = 3657096^2 + 4203295^2 .

It is a cyclic number.

It is not a de Polignac number, because 31042040010241 - 25 = 31042040010209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31042040010251) 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 in 3 ways as a sum of consecutive naturals, for example, 1193924615766 + ... + 1193924615791.

It is an arithmetic number, because the mean of its divisors is an integer number (8357472310453).

Almost surely, 231042040010241 is an apocalyptic number.

It is an amenable number.

31042040010241 is a deficient number, since it is larger than the sum of its proper divisors (2387849231571).

31042040010241 is a wasteful number, since it uses less digits than its factorization.

31042040010241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387849231570.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31042040010241 its reverse (14201004024013), we get a palindrome (45243044034254).

The spelling of 31042040010241 in words is "thirty-one trillion, forty-two billion, forty million, ten thousand, two hundred forty-one".

Divisors: 1 13 2387849231557 31042040010241