20010131310 has 32 divisors (see below), whose sum is σ = 51718494240. Its totient is φ = 4925570688.

The previous prime is 20010131293. The next prime is 20010131321. The reversal of 20010131310 is 1313101002.

It is a super-2 number, since 2×20010131310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25653625 + ... + 25654404.

It is an arithmetic number, because the mean of its divisors is an integer number (1616202945).

Almost surely, 2^20010131310 is an apocalyptic number.

20010131310 is an abundant number, since it is smaller than the sum of its proper divisors (31708362930).

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

20010131310 is a wasteful number, since it uses less digits than its factorization.

20010131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51308052.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20010131310 its reverse (1313101002), we get a palindrome (21323232312).

The spelling of 20010131310 in words is "twenty billion, ten million, one hundred thirty-one thousand, three hundred ten".