46420331 has 2 divisors, whose sum is σ = 46420332. Its totient is φ = 46420330.

The previous prime is 46420313. The next prime is 46420343. The reversal of 46420331 is 13302464.

It is a happy number.

Together with previous prime (46420313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46420331 is a prime.

It is a super-2 number, since 2×46420331² = 4309694260299122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 46420297 and 46420306.

It is not a weakly prime, because it can be changed into another prime (46420351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23210165 + 23210166.

It is an arithmetic number, because the mean of its divisors is an integer number (23210166).

Almost surely, 2^46420331 is an apocalyptic number.

46420331 is a deficient number, since it is larger than the sum of its proper divisors (1).

46420331 is an equidigital number, since it uses as much as digits as its factorization.

46420331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 46420331 is about 6813.2467297170. The cubic root of 46420331 is about 359.3928319923.

Adding to 46420331 its reverse (13302464), we get a palindrome (59722795).

The spelling of 46420331 in words is "forty-six million, four hundred twenty thousand, three hundred thirty-one".