1631143703 has 8 divisors (see below), whose sum is σ = 1902208800. Its totient is φ = 1398122880.

The previous prime is 1631143687. The next prime is 1631143747. The reversal of 1631143703 is 3073411361.

It is not a de Polignac number, because 1631143703 - 2⁴ = 1631143687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631143793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377418 + ... + 2378103.

It is an arithmetic number, because the mean of its divisors is an integer number (237776100).

Almost surely, 2^1631143703 is an apocalyptic number.

1631143703 is a deficient number, since it is larger than the sum of its proper divisors (271065097).

1631143703 is an frugal number, since it uses more digits than its factorization.

1631143703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755542 (or 4755528 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1631143703 is about 40387.4201082466. The cubic root of 1631143703 is about 1177.1471115236.

The spelling of 1631143703 in words is "one billion, six hundred thirty-one million, one hundred forty-three thousand, seven hundred three".