1030121331947 has 2 divisors, whose sum is σ = 1030121331948. Its totient is φ = 1030121331946.

The previous prime is 1030121331929. The next prime is 1030121332013. The reversal of 1030121331947 is 7491331210301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1030121331947 - 2⁸ = 1030121331691 is a prime.

It is a super-2 number, since 2×1030121331947² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1030121331917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060665973 + 515060665974.

It is an arithmetic number, because the mean of its divisors is an integer number (515060665974).

Almost surely, 2^{1030121331947} is an apocalyptic number.

1030121331947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030121331947 is an equidigital number, since it uses as much as digits as its factorization.

1030121331947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 1030121331947 in words is "one trillion, thirty billion, one hundred twenty-one million, three hundred thirty-one thousand, nine hundred forty-seven".