1031208142541 has 2 divisors, whose sum is σ = 1031208142542. Its totient is φ = 1031208142540.

The previous prime is 1031208142499. The next prime is 1031208142553. The reversal of 1031208142541 is 1452418021301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 868493524900 + 162714617641 = 931930^2 + 403379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031208142541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031208142498 and 1031208142507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031208142241) 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 as a sum of consecutive naturals, namely, 515604071270 + 515604071271.

It is an arithmetic number, because the mean of its divisors is an integer number (515604071271).

Almost surely, 2^{1031208142541} is an apocalyptic number.

It is an amenable number.

1031208142541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031208142541 is an equidigital number, since it uses as much as digits as its factorization.

1031208142541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 1031208142541 in words is "one trillion, thirty-one billion, two hundred eight million, one hundred forty-two thousand, five hundred forty-one".