1631055002 has 4 divisors (see below), whose sum is σ = 2446582506. Its totient is φ = 815527500.

The previous prime is 1631054969. The next prime is 1631055017. The reversal of 1631055002 is 2005501361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1630463641 + 591361 = 40379^2 + 769^2 .

It is an unprimeable number.

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, 407763749 + ... + 407763752.

Almost surely, 2^1631055002 is an apocalyptic number.

1631055002 is a deficient number, since it is larger than the sum of its proper divisors (815527504).

1631055002 is an equidigital number, since it uses as much as digits as its factorization.

1631055002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815527503.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1631055002 is about 40386.3219667253. The cubic root of 1631055002 is about 1177.1257735265.

Adding to 1631055002 its reverse (2005501361), we get a palindrome (3636556363).

The spelling of 1631055002 in words is "one billion, six hundred thirty-one million, fifty-five thousand, two".