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1963263131 is a prime number
BaseRepresentation
bin111010100000101…
…0000010010011011
312001211020002201022
41311001100102123
513010043410011
6522451313055
766436314134
oct16501202233
95054202638
101963263131
11918235715
124695ab78b
13253983b7b
14148a54c8b
15b75578db
hex7505049b

1963263131 has 2 divisors, whose sum is σ = 1963263132. Its totient is φ = 1963263130.

The previous prime is 1963263119. The next prime is 1963263143. The reversal of 1963263131 is 1313623691.

It is a balanced prime because it is at equal distance from previous prime (1963263119) and next prime (1963263143).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1963263131 is a prime.

It is a super-2 number, since 2×19632631312 = 7708804243087846322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1963263091 and 1963263100.

It is not a weakly prime, because it can be changed into another prime (1963263151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981631565 + 981631566.

It is an arithmetic number, because the mean of its divisors is an integer number (981631566).

Almost surely, 21963263131 is an apocalyptic number.

1963263131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1963263131 is an equidigital number, since it uses as much as digits as its factorization.

1963263131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 1963263131 is about 44308.7252242716. The cubic root of 1963263131 is about 1252.1590698667.

The spelling of 1963263131 in words is "one billion, nine hundred sixty-three million, two hundred sixty-three thousand, one hundred thirty-one".