57131003 has 2 divisors, whose sum is σ = 57131004. Its totient is φ = 57131002.

The previous prime is 57130943. The next prime is 57131017. The reversal of 57131003 is 30013175.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57131003 - 2¹² = 57126907 is a prime.

It is not a weakly prime, because it can be changed into another prime (57131083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28565501 + 28565502.

It is an arithmetic number, because the mean of its divisors is an integer number (28565502).

Almost surely, 2^57131003 is an apocalyptic number.

57131003 is a deficient number, since it is larger than the sum of its proper divisors (1).

57131003 is an equidigital number, since it uses as much as digits as its factorization.

57131003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 57131003 is about 7558.5053416664. The cubic root of 57131003 is about 385.1447209905.

Adding to 57131003 its reverse (30013175), we get a palindrome (87144178).

The spelling of 57131003 in words is "fifty-seven million, one hundred thirty-one thousand, three".