20300313131 has 16 divisors (see below), whose sum is σ = 23505546240. Its totient is φ = 17171593920.

The previous prime is 20300313119. The next prime is 20300313169. The reversal of 20300313131 is 13131300302.

It is a cyclic number.

It is not a de Polignac number, because 20300313131 - 2³⁴ = 3120443947 is a prime.

It is a super-2 number, since 2×20300313131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20300313331) 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, 1290071 + ... + 1305711.

It is an arithmetic number, because the mean of its divisors is an integer number (1469096640).

Almost surely, 2^20300313131 is an apocalyptic number.

20300313131 is a deficient number, since it is larger than the sum of its proper divisors (3205233109).

20300313131 is a wasteful number, since it uses less digits than its factorization.

20300313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18074.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20300313131 its reverse (13131300302), we get a palindrome (33431613433).

The spelling of 20300313131 in words is "twenty billion, three hundred million, three hundred thirteen thousand, one hundred thirty-one".