20203131031404 has 48 divisors (see below), whose sum is σ = 48313750614528. Its totient is φ = 6567802262208.

The previous prime is 20203131031339. The next prime is 20203131031459. The reversal of 20203131031404 is 40413013130202.

It is a happy number.

It is a super-2 number, since 2×20203131031404² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63128647 + ... + 63447870.

It is an arithmetic number, because the mean of its divisors is an integer number (1006536471136).

Almost surely, 2^{20203131031404} is an apocalyptic number.

It is an amenable number.

20203131031404 is an abundant number, since it is smaller than the sum of its proper divisors (28110619583124).

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

20203131031404 is a wasteful number, since it uses less digits than its factorization.

20203131031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126576854 (or 126576852 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20203131031404 its reverse (40413013130202), we get a palindrome (60616144161606).

The spelling of 20203131031404 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, four hundred four".