1348071631 has 2 divisors, whose sum is σ = 1348071632. Its totient is φ = 1348071630.

The previous prime is 1348071617. The next prime is 1348071667. The reversal of 1348071631 is 1361708431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1348071631 - 2²¹ = 1345974479 is a prime.

It is a super-2 number, since 2×1348071631² = 3634594244614000322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348071601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674035815 + 674035816.

It is an arithmetic number, because the mean of its divisors is an integer number (674035816).

Almost surely, 2^1348071631 is an apocalyptic number.

1348071631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348071631 is an equidigital number, since it uses as much as digits as its factorization.

1348071631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1348071631 is about 36716.0949857144. The cubic root of 1348071631 is about 1104.6829638582.

The spelling of 1348071631 in words is "one billion, three hundred forty-eight million, seventy-one thousand, six hundred thirty-one".