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31700327053 = 203591557067
BaseRepresentation
bin11101100001011111…
…001001101010001101
310000211020202110121011
4131201133021222031
51004410240431203
622321332005221
72201364222403
oct354137115215
9100736673534
1031700327053
111249800a9aa
126188460811
132cb2727495
14176a1b7473
15c5804476d
hex7617c9a8d

31700327053 has 4 divisors (see below), whose sum is σ = 31701904480. Its totient is φ = 31698749628.

The previous prime is 31700327039. The next prime is 31700327063. The reversal of 31700327053 is 35072300713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31700327053 - 217 = 31700195981 is a prime.

It is a super-3 number, since 3×317003270533 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31700327063) 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, 758175 + ... + 798892.

It is an arithmetic number, because the mean of its divisors is an integer number (7925476120).

Almost surely, 231700327053 is an apocalyptic number.

It is an amenable number.

31700327053 is a deficient number, since it is larger than the sum of its proper divisors (1577427).

31700327053 is a wasteful number, since it uses less digits than its factorization.

31700327053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577426.

The product of its (nonzero) digits is 13230, while the sum is 31.

Adding to 31700327053 its reverse (35072300713), we get a palindrome (66772627766).

The spelling of 31700327053 in words is "thirty-one billion, seven hundred million, three hundred twenty-seven thousand, fifty-three".

Divisors: 1 20359 1557067 31700327053