3481738078531 has 2 divisors, whose sum is σ = 3481738078532. Its totient is φ = 3481738078530.

The previous prime is 3481738078451. The next prime is 3481738078537. The reversal of 3481738078531 is 1358708371843.

3481738078531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3481738078531 is a prime.

It is a super-2 number, since 2×3481738078531² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3481738078537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740869039265 + 1740869039266.

It is an arithmetic number, because the mean of its divisors is an integer number (1740869039266).

Almost surely, 2^{3481738078531} is an apocalyptic number.

3481738078531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481738078531 is an equidigital number, since it uses as much as digits as its factorization.

3481738078531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 3481738078531 in words is "three trillion, four hundred eighty-one billion, seven hundred thirty-eight million, seventy-eight thousand, five hundred thirty-one".