31141403 has 2 divisors, whose sum is σ = 31141404. Its totient is φ = 31141402.

The previous prime is 31141373. The next prime is 31141441. The reversal of 31141403 is 30414113.

It is a weak prime.

It is an emirp because it is prime and its reverse (30414113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31141403 - 2⁶ = 31141339 is a prime.

It is not a weakly prime, because it can be changed into another prime (31141303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15570701 + 15570702.

It is an arithmetic number, because the mean of its divisors is an integer number (15570702).

Almost surely, 2^31141403 is an apocalyptic number.

31141403 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141403 is an equidigital number, since it uses as much as digits as its factorization.

31141403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31141403 is about 5580.4482794844. The cubic root of 31141403 is about 314.6149759535.

Adding to 31141403 its reverse (30414113), we get a palindrome (61555516).

It can be divided in two parts, 311 and 41403, that added together give a palindrome (41714).

The spelling of 31141403 in words is "thirty-one million, one hundred forty-one thousand, four hundred three".