1031476421 has 2 divisors, whose sum is σ = 1031476422. Its totient is φ = 1031476420.

The previous prime is 1031476403. The next prime is 1031476471. The reversal of 1031476421 is 1246741301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848848225 + 182628196 = 29135^2 + 13514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031476421 - 2⁶ = 1031476357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031476471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515738210 + 515738211.

It is an arithmetic number, because the mean of its divisors is an integer number (515738211).

Almost surely, 2^1031476421 is an apocalyptic number.

It is an amenable number.

1031476421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031476421 is an equidigital number, since it uses as much as digits as its factorization.

1031476421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1031476421 is about 32116.6066233654. The cubic root of 1031476421 is about 1010.3839408846.

The spelling of 1031476421 in words is "one billion, thirty-one million, four hundred seventy-six thousand, four hundred twenty-one".