20303010231031 has 8 divisors (see below), whose sum is σ = 22151661678864. Its totient is φ = 18454845990720.

The previous prime is 20303010230891. The next prime is 20303010231113. The reversal of 20303010231031 is 13013201030302.

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

It is a cyclic number.

It is not a de Polignac number, because 20303010231031 - 2⁹ = 20303010230519 is a prime.

It is a super-2 number, since 2×20303010231031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303010231431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121714740 + ... + 121881433.

It is an arithmetic number, because the mean of its divisors is an integer number (2768957709858).

Almost surely, 2^{20303010231031} is an apocalyptic number.

20303010231031 is a deficient number, since it is larger than the sum of its proper divisors (1848651447833).

20303010231031 is a wasteful number, since it uses less digits than its factorization.

20303010231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243603761.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20303010231031 its reverse (13013201030302), we get a palindrome (33316211261333).

The spelling of 20303010231031 in words is "twenty trillion, three hundred three billion, ten million, two hundred thirty-one thousand, thirty-one".