20130311133010 has 32 divisors (see below), whose sum is σ = 39022305929712. Its totient is φ = 7432640352000.

The previous prime is 20130311132963. The next prime is 20130311133019. The reversal of 20130311133010 is 1033111303102.

It can be written as a sum of positive squares in 8 ways, for example, as 2200531929561 + 17929779203449 = 1483419^2 + 4234357^2 .

It is not an unprimeable number, because it can be changed into a prime (20130311133019) 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, 10374760 + ... + 12161260.

Almost surely, 2^{20130311133010} is an apocalyptic number.

20130311133010 is a deficient number, since it is larger than the sum of its proper divisors (18891994796702).

20130311133010 is a wasteful number, since it uses less digits than its factorization.

20130311133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873198.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 20130311133010 its reverse (1033111303102), we get a palindrome (21163422436112).

The spelling of 20130311133010 in words is "twenty trillion, one hundred thirty billion, three hundred eleven million, one hundred thirty-three thousand, ten".