1043401031 has 2 divisors, whose sum is σ = 1043401032. Its totient is φ = 1043401030.

The previous prime is 1043401013. The next prime is 1043401043. The reversal of 1043401031 is 1301043401.

Together with previous prime (1043401013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1043401031 is a prime.

It is a super-2 number, since 2×1043401031² = 2177371422983725922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043401531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521700515 + 521700516.

It is an arithmetic number, because the mean of its divisors is an integer number (521700516).

Almost surely, 2^1043401031 is an apocalyptic number.

1043401031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043401031 is an equidigital number, since it uses as much as digits as its factorization.

1043401031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1043401031 is about 32301.7187004035. The cubic root of 1043401031 is about 1014.2626208674.

Adding to 1043401031 its reverse (1301043401), we get a palindrome (2344444432).

The spelling of 1043401031 in words is "one billion, forty-three million, four hundred one thousand, thirty-one".