971029431 has 8 divisors (see below), whose sum is σ = 1438562160. Its totient is φ = 647352936.

The previous prime is 971029421. The next prime is 971029439. The reversal of 971029431 is 134920179.

It is not a de Polignac number, because 971029431 - 2¹⁴ = 971013047 is a prime.

It is a super-2 number, since 2×971029431² = 1885796311736367522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971029439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17982000 + ... + 17982053.

It is an arithmetic number, because the mean of its divisors is an integer number (179820270).

Almost surely, 2^971029431 is an apocalyptic number.

971029431 is a deficient number, since it is larger than the sum of its proper divisors (467532729).

971029431 is a wasteful number, since it uses less digits than its factorization.

971029431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35964062 (or 35964056 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 971029431 is about 31161.3451410558. The cubic root of 971029431 is about 990.2483582592.

The spelling of 971029431 in words is "nine hundred seventy-one million, twenty-nine thousand, four hundred thirty-one".