1071431003 has 2 divisors, whose sum is σ = 1071431004. Its totient is φ = 1071431002.

The previous prime is 1071430999. The next prime is 1071431063. The reversal of 1071431003 is 3001341701.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3001341701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071431003 - 2² = 1071430999 is a prime.

It is a super-2 number, since 2×1071431003² = 2295928788379172018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071431063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535715501 + 535715502.

It is an arithmetic number, because the mean of its divisors is an integer number (535715502).

Almost surely, 2^1071431003 is an apocalyptic number.

1071431003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071431003 is an equidigital number, since it uses as much as digits as its factorization.

1071431003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1071431003 is about 32732.7206782449. The cubic root of 1071431003 is about 1023.2648821812.

Adding to 1071431003 its reverse (3001341701), we get a palindrome (4072772704).

The spelling of 1071431003 in words is "one billion, seventy-one million, four hundred thirty-one thousand, three".