31054519 has 2 divisors, whose sum is σ = 31054520. Its totient is φ = 31054518.

The previous prime is 31054501. The next prime is 31054553. The reversal of 31054519 is 91545013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31054519 - 2⁵ = 31054487 is a prime.

It is a super-2 number, since 2×31054519² = 1928766300642722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31054559) 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, 15527259 + 15527260.

It is an arithmetic number, because the mean of its divisors is an integer number (15527260).

Almost surely, 2^31054519 is an apocalyptic number.

31054519 is a deficient number, since it is larger than the sum of its proper divisors (1).

31054519 is an equidigital number, since it uses as much as digits as its factorization.

31054519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 31054519 is about 5572.6581628519. The cubic root of 31054519 is about 314.3221132282.

The spelling of 31054519 in words is "thirty-one million, fifty-four thousand, five hundred nineteen".