31100012212003 has 16 divisors (see below), whose sum is σ = 38931339545280. Its totient is φ = 24223944600576.

The previous prime is 31100012211959. The next prime is 31100012212007. The reversal of 31100012212003 is 30021221000113.

It is not a de Polignac number, because 31100012212003 - 2⁹ = 31100012211491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31100012212007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4505938626 + ... + 4505945527.

It is an arithmetic number, because the mean of its divisors is an integer number (2433208721580).

Almost surely, 2^{31100012212003} is an apocalyptic number.

31100012212003 is a deficient number, since it is larger than the sum of its proper divisors (7831327333277).

31100012212003 is a wasteful number, since it uses less digits than its factorization.

31100012212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011884206.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31100012212003 its reverse (30021221000113), we get a palindrome (61121233212116).

The spelling of 31100012212003 in words is "thirty-one trillion, one hundred billion, twelve million, two hundred twelve thousand, three".