97803131 has 2 divisors, whose sum is σ = 97803132. Its totient is φ = 97803130.

The previous prime is 97803077. The next prime is 97803143. The reversal of 97803131 is 13130879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97803131 - 2¹⁸ = 97540987 is a prime.

It is a super-2 number, since 2×97803131² = 19130904866806322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97803161) 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, 48901565 + 48901566.

It is an arithmetic number, because the mean of its divisors is an integer number (48901566).

Almost surely, 2^97803131 is an apocalyptic number.

97803131 is a deficient number, since it is larger than the sum of its proper divisors (1).

97803131 is an equidigital number, since it uses as much as digits as its factorization.

97803131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 97803131 is about 9889.5465517889. The cubic root of 97803131 is about 460.7346970814.

The spelling of 97803131 in words is "ninety-seven million, eight hundred three thousand, one hundred thirty-one".