348691231 has 16 divisors (see below), whose sum is σ = 404075520. Its totient is φ = 294719040.

The previous prime is 348691223. The next prime is 348691253. The reversal of 348691231 is 132196843.

It is not a de Polignac number, because 348691231 - 2³ = 348691223 is a prime.

It is a super-2 number, since 2×348691231² = 243171149152590722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348691631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392670 + ... + 393556.

It is an arithmetic number, because the mean of its divisors is an integer number (25254720).

Almost surely, 2^348691231 is an apocalyptic number.

348691231 is a deficient number, since it is larger than the sum of its proper divisors (55384289).

348691231 is an equidigital number, since it uses as much as digits as its factorization.

348691231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its digits is 31104, while the sum is 37.

The square root of 348691231 is about 18673.2758507981. The cubic root of 348691231 is about 703.8503678359.

It can be divided in two parts, 34869 and 1231, that added together give a square (36100 = 190²).

The spelling of 348691231 in words is "three hundred forty-eight million, six hundred ninety-one thousand, two hundred thirty-one".