197331131 has 8 divisors (see below), whose sum is σ = 207851280. Its totient is φ = 186824448.

The previous prime is 197331119. The next prime is 197331143. The reversal of 197331131 is 131133791.

197331131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197331119) and next prime (197331143).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197331131 - 2¹⁸ = 197068987 is a prime.

It is a super-2 number, since 2×197331131² = 77879150523478322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197331094 and 197331103.

It is not an unprimeable number, because it can be changed into a prime (197331181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43775 + ... + 48071.

It is an arithmetic number, because the mean of its divisors is an integer number (25981410).

Almost surely, 2^197331131 is an apocalyptic number.

197331131 is a deficient number, since it is larger than the sum of its proper divisors (10520149).

197331131 is a wasteful number, since it uses less digits than its factorization.

197331131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733.

The product of its digits is 1701, while the sum is 29.

The square root of 197331131 is about 14047.4599483323. The cubic root of 197331131 is about 582.1906168961.

The spelling of 197331131 in words is "one hundred ninety-seven million, three hundred thirty-one thousand, one hundred thirty-one".