20311131010 has 8 divisors (see below), whose sum is σ = 36560035836. Its totient is φ = 8124452400.

The previous prime is 20311130989. The next prime is 20311131031. The reversal of 20311131010 is 1013111302.

20311131010 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (20311130989) and next prime (20311131031).

It can be written as a sum of positive squares in 2 ways, for example, as 20311095289 + 35721 = 142517^2 + 189^2 .

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, 1015556541 + ... + 1015556560.

Almost surely, 2^20311131010 is an apocalyptic number.

20311131010 is a deficient number, since it is larger than the sum of its proper divisors (16248904826).

20311131010 is a wasteful number, since it uses less digits than its factorization.

20311131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031113108.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20311131010 its reverse (1013111302), we get a palindrome (21324242312).

It can be divided in two parts, 20311 and 131010, that added together give a square (151321 = 389²).

The spelling of 20311131010 in words is "twenty billion, three hundred eleven million, one hundred thirty-one thousand, ten".