31455041 has 2 divisors, whose sum is σ = 31455042. Its totient is φ = 31455040.

The previous prime is 31455031. The next prime is 31455071. The reversal of 31455041 is 14055413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23726641 + 7728400 = 4871^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 31455041 - 2¹⁸ = 31192897 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31454998 and 31455016.

It is not a weakly prime, because it can be changed into another prime (31455031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15727520 + 15727521.

It is an arithmetic number, because the mean of its divisors is an integer number (15727521).

Almost surely, 2^31455041 is an apocalyptic number.

It is an amenable number.

31455041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31455041 is an equidigital number, since it uses as much as digits as its factorization.

31455041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 31455041 is about 5608.4793839329. The cubic root of 31455041 is about 315.6676558498.

It can be divided in two parts, 314 and 55041, that added together give a palindrome (55355).

The spelling of 31455041 in words is "thirty-one million, four hundred fifty-five thousand, forty-one".