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31431008053 is a prime number
BaseRepresentation
bin11101010001011011…
…110001111100110101
310000010110222122101101
4131101123301330311
51003332314224203
622234511330101
72161614105664
oct352133617465
9100113878341
1031431008053
1112369a91615
126112220931
132c6b9ac623
14174250cddb
15c3e59641d
hex7516f1f35

31431008053 has 2 divisors, whose sum is σ = 31431008054. Its totient is φ = 31431008052.

The previous prime is 31431008033. The next prime is 31431008057. The reversal of 31431008053 is 35080013413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21025580004 + 10405428049 = 145002^2 + 102007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31431008053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31431008057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715504026 + 15715504027.

It is an arithmetic number, because the mean of its divisors is an integer number (15715504027).

Almost surely, 231431008053 is an apocalyptic number.

It is an amenable number.

31431008053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31431008053 is an equidigital number, since it uses as much as digits as its factorization.

31431008053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 31431008053 in words is "thirty-one billion, four hundred thirty-one million, eight thousand, fifty-three".