1346532231 has 32 divisors (see below), whose sum is σ = 2039217408. Its totient is φ = 783095040.

The previous prime is 1346532227. The next prime is 1346532247. The reversal of 1346532231 is 1322356431.

It is not a de Polignac number, because 1346532231 - 2² = 1346532227 is a prime.

It is a super-2 number, since 2×1346532231² = 3626298098243674722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346532211) 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 31 ways as a sum of consecutive naturals, for example, 81580 + ... + 96686.

It is an arithmetic number, because the mean of its divisors is an integer number (63725544).

Almost surely, 2^1346532231 is an apocalyptic number.

1346532231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1346532231 is a deficient number, since it is larger than the sum of its proper divisors (692685177).

1346532231 is a wasteful number, since it uses less digits than its factorization.

1346532231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15231.

The product of its digits is 12960, while the sum is 30.

The square root of 1346532231 is about 36695.1254392188. The cubic root of 1346532231 is about 1104.2623144338.

Adding to 1346532231 its reverse (1322356431), we get a palindrome (2668888662).

The spelling of 1346532231 in words is "one billion, three hundred forty-six million, five hundred thirty-two thousand, two hundred thirty-one".