46331231 has 2 divisors, whose sum is σ = 46331232. Its totient is φ = 46331230.

The previous prime is 46331221. The next prime is 46331249. The reversal of 46331231 is 13213364.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46331231 is a prime.

It is a super-2 number, since 2×46331231² = 4293165931950722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46331197 and 46331206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46331221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23165615 + 23165616.

It is an arithmetic number, because the mean of its divisors is an integer number (23165616).

Almost surely, 2^46331231 is an apocalyptic number.

46331231 is a deficient number, since it is larger than the sum of its proper divisors (1).

46331231 is an equidigital number, since it uses as much as digits as its factorization.

46331231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 46331231 is about 6806.7048562429. The cubic root of 46331231 is about 359.1627430757.

Adding to 46331231 its reverse (13213364), we get a palindrome (59544595).

The spelling of 46331231 in words is "forty-six million, three hundred thirty-one thousand, two hundred thirty-one".