1000031212988 has 36 divisors (see below), whose sum is σ = 1830331897800. Its totient is φ = 478045815456.

The previous prime is 1000031212967. The next prime is 1000031213029. The reversal of 1000031212988 is 8892121300001.

1000031212988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4328906 + ... + 4554062.

Almost surely, 2^{1000031212988} is an apocalyptic number.

It is an amenable number.

1000031212988 is a deficient number, since it is larger than the sum of its proper divisors (830300684812).

1000031212988 is a wasteful number, since it uses less digits than its factorization.

1000031212988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227306 (or 227281 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

Adding to 1000031212988 its reverse (8892121300001), we get a palindrome (9892152512989).

The spelling of 1000031212988 in words is "one trillion, thirty-one million, two hundred twelve thousand, nine hundred eighty-eight".