31234697 has 8 divisors (see below), whose sum is σ = 34547016. Its totient is φ = 28052352.

The previous prime is 31234673. The next prime is 31234699. The reversal of 31234697 is 79643213.

It can be written as a sum of positive squares in 4 ways, for example, as 11262736 + 19971961 = 3356^2 + 4469^2 .

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 31234697 - 2⁶ = 31234633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31234699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31988 + ... + 32949.

It is an arithmetic number, because the mean of its divisors is an integer number (4318377).

Almost surely, 2^31234697 is an apocalyptic number.

31234697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

31234697 is a deficient number, since it is larger than the sum of its proper divisors (3312319).

31234697 is a wasteful number, since it uses less digits than its factorization.

31234697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64987.

The product of its digits is 27216, while the sum is 35.

The square root of 31234697 is about 5588.8010342112. The cubic root of 31234697 is about 314.9288392207.

The spelling of 31234697 in words is "thirty-one million, two hundred thirty-four thousand, six hundred ninety-seven".