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1020020192831 is a prime number
BaseRepresentation
bin11101101011111011111…
…00001111011000111111
310121111211221221121002102
432311331330033120333
5113203000132132311
62100331340415315
7133460023404113
oct16657574173077
93544757847072
101020020192831
11363651897102
1214582a84753b
1375258bc35a3
14375252a7743
151b7ee17043b
hexed7df0f63f

1020020192831 has 2 divisors, whose sum is σ = 1020020192832. Its totient is φ = 1020020192830.

The previous prime is 1020020192791. The next prime is 1020020192837. The reversal of 1020020192831 is 1382910200201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020020192831 - 214 = 1020020176447 is a prime.

It is a super-2 number, since 2×10200201928312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020020192794 and 1020020192803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020020192837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510010096415 + 510010096416.

It is an arithmetic number, because the mean of its divisors is an integer number (510010096416).

Almost surely, 21020020192831 is an apocalyptic number.

1020020192831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020020192831 is an equidigital number, since it uses as much as digits as its factorization.

1020020192831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 1020020192831 in words is "one trillion, twenty billion, twenty million, one hundred ninety-two thousand, eight hundred thirty-one".