1631201102 has 16 divisors (see below), whose sum is σ = 2600825760. Its totient is φ = 764633088.

The previous prime is 1631201083. The next prime is 1631201107. The reversal of 1631201102 is 2011021361.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631201107) 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, 84602 + ... + 102077.

It is an arithmetic number, because the mean of its divisors is an integer number (162551610).

Almost surely, 2^1631201102 is an apocalyptic number.

1631201102 is a deficient number, since it is larger than the sum of its proper divisors (969624658).

1631201102 is a wasteful number, since it uses less digits than its factorization.

1631201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186955.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1631201102 is about 40388.1307069292. The cubic root of 1631201102 is about 1177.1609190695.

Adding to 1631201102 its reverse (2011021361), we get a palindrome (3642222463).

The spelling of 1631201102 in words is "one billion, six hundred thirty-one million, two hundred one thousand, one hundred two".