31000201102 has 16 divisors (see below), whose sum is σ = 50080513392. Its totient is φ = 14306852160.

The previous prime is 31000201093. The next prime is 31000201151. The reversal of 31000201102 is 20110200013.

It is a super-2 number, since 2×31000201102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518077 + ... + 574807.

It is an arithmetic number, because the mean of its divisors is an integer number (3130032087).

Almost surely, 2^31000201102 is an apocalyptic number.

31000201102 is a deficient number, since it is larger than the sum of its proper divisors (19080312290).

31000201102 is a wasteful number, since it uses less digits than its factorization.

31000201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77763.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 31000201102 its reverse (20110200013), we get a palindrome (51110401115).

The spelling of 31000201102 in words is "thirty-one billion, two hundred one thousand, one hundred two".