31462141 has 2 divisors, whose sum is σ = 31462142. Its totient is φ = 31462140.

The previous prime is 31462133. The next prime is 31462217. The reversal of 31462141 is 14126413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29474041 + 1988100 = 5429^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 31462141 - 2³ = 31462133 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31462441) 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 as a sum of consecutive naturals, namely, 15731070 + 15731071.

It is an arithmetic number, because the mean of its divisors is an integer number (15731071).

Almost surely, 2^31462141 is an apocalyptic number.

It is an amenable number.

31462141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31462141 is an equidigital number, since it uses as much as digits as its factorization.

31462141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 22.

The square root of 31462141 is about 5609.1123183620. The cubic root of 31462141 is about 315.6914047909.

Adding to 31462141 its reverse (14126413), we get a palindrome (45588554).

The spelling of 31462141 in words is "thirty-one million, four hundred sixty-two thousand, one hundred forty-one".