31100003000200 has 24 divisors (see below), whose sum is σ = 72307506975930. Its totient is φ = 12440001200000.

The previous prime is 31100003000167. The next prime is 31100003000233. The reversal of 31100003000200 is 200030000113.

It is an interprime number because it is at equal distance from previous prime (31100003000167) and next prime (31100003000233).

It can be written as a sum of positive squares in 3 ways, for example, as 29442496096836 + 1657506903364 = 5426094^2 + 1287442^2 .

It is a super-2 number, since 2×31100003000200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77750007301 + ... + 77750007700.

Almost surely, 2^{31100003000200} is an apocalyptic number.

It is an amenable number.

31100003000200 is an abundant number, since it is smaller than the sum of its proper divisors (41207503975730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100003000200 is a wasteful number, since it uses less digits than its factorization.

31100003000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155500015017 (or 155500015008 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 31100003000200 its reverse (200030000113), we get a palindrome (31300033000313).

The spelling of 31100003000200 in words is "thirty-one trillion, one hundred billion, three million, two hundred", and thus it is an aban number.