197608031 has 2 divisors, whose sum is σ = 197608032. Its totient is φ = 197608030.

The previous prime is 197608013. The next prime is 197608049. The reversal of 197608031 is 130806791.

Together with previous prime (197608013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (197608013) and next prime (197608049).

It is a cyclic number.

It is not a de Polignac number, because 197608031 - 2⁶ = 197607967 is a prime.

It is a super-2 number, since 2×197608031² = 78097867831393922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197607982 and 197608000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197608331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98804015 + 98804016.

It is an arithmetic number, because the mean of its divisors is an integer number (98804016).

Almost surely, 2^197608031 is an apocalyptic number.

197608031 is a deficient number, since it is larger than the sum of its proper divisors (1).

197608031 is an equidigital number, since it uses as much as digits as its factorization.

197608031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 197608031 is about 14057.3123675900. The cubic root of 197608031 is about 582.4628044550.

The spelling of 197608031 in words is "one hundred ninety-seven million, six hundred eight thousand, thirty-one".