1020043200931 has 2 divisors, whose sum is σ = 1020043200932. Its totient is φ = 1020043200930.

The previous prime is 1020043200919. The next prime is 1020043200971. The reversal of 1020043200931 is 1390023400201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020043200931 - 2¹⁹ = 1020042676643 is a prime.

It is a super-3 number, since 3×1020043200931³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1020043200896 and 1020043200905.

It is not a weakly prime, because it can be changed into another prime (1020043200971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510021600465 + 510021600466.

It is an arithmetic number, because the mean of its divisors is an integer number (510021600466).

Almost surely, 2^{1020043200931} is an apocalyptic number.

1020043200931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020043200931 is an equidigital number, since it uses as much as digits as its factorization.

1020043200931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 1020043200931 in words is "one trillion, twenty billion, forty-three million, two hundred thousand, nine hundred thirty-one".