1031014421 has 4 divisors (see below), whose sum is σ = 1031270412. Its totient is φ = 1030758432.

The previous prime is 1031014417. The next prime is 1031014427. The reversal of 1031014421 is 1244101301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 658948900 + 372065521 = 25670^2 + 19289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031014421 - 2² = 1031014417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031014421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031014427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121856 + ... + 130041.

It is an arithmetic number, because the mean of its divisors is an integer number (257817603).

Almost surely, 2^1031014421 is an apocalyptic number.

It is an amenable number.

1031014421 is a deficient number, since it is larger than the sum of its proper divisors (255991).

1031014421 is an equidigital number, since it uses as much as digits as its factorization.

1031014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255990.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1031014421 is about 32109.4132771061. The cubic root of 1031014421 is about 1010.2330674759.

Adding to 1031014421 its reverse (1244101301), we get a palindrome (2275115722).

The spelling of 1031014421 in words is "one billion, thirty-one million, fourteen thousand, four hundred twenty-one".