1030477381 has 2 divisors, whose sum is σ = 1030477382. Its totient is φ = 1030477380.

The previous prime is 1030477367. The next prime is 1030477391. The reversal of 1030477381 is 1837740301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751253281 + 279224100 = 27409^2 + 16710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030477381 - 2¹³ = 1030469189 is a prime.

It is a super-2 number, since 2×1030477381² = 2123767265505238322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030477351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515238690 + 515238691.

It is an arithmetic number, because the mean of its divisors is an integer number (515238691).

Almost surely, 2^1030477381 is an apocalyptic number.

It is an amenable number.

1030477381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030477381 is an equidigital number, since it uses as much as digits as its factorization.

1030477381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1030477381 is about 32101.0495311290. The cubic root of 1030477381 is about 1010.0576319105.

The spelling of 1030477381 in words is "one billion, thirty million, four hundred seventy-seven thousand, three hundred eighty-one".