20101131002 has 8 divisors (see below), whose sum is σ = 30152437812. Its totient is φ = 10050318400.

The previous prime is 20101130989. The next prime is 20101131013. The reversal of 20101131002 is 20013110102.

It can be written as a sum of positive squares in 2 ways, for example, as 17929477801 + 2171653201 = 133901^2 + 46601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4802 + ... + 200562.

Almost surely, 2^20101131002 is an apocalyptic number.

20101131002 is a deficient number, since it is larger than the sum of its proper divisors (10051306810).

20101131002 is a wasteful number, since it uses less digits than its factorization.

20101131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247104.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20101131002 its reverse (20013110102), we get a palindrome (40114241104).

The spelling of 20101131002 in words is "twenty billion, one hundred one million, one hundred thirty-one thousand, two".