4031311403020 has 48 divisors (see below), whose sum is σ = 9282248081568. Its totient is φ = 1458490127360.

The previous prime is 4031311402997. The next prime is 4031311403027. The reversal of 4031311403020 is 203041131304.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 4031311402982 and 4031311403000.

It is not an unprimeable number, because it can be changed into a prime (4031311403027) by changing a digit.

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, 46464637 + ... + 46551316.

It is an arithmetic number, because the mean of its divisors is an integer number (193380168366).

Almost surely, 2^{4031311403020} is an apocalyptic number.

It is an amenable number.

4031311403020 is an abundant number, since it is smaller than the sum of its proper divisors (5250936678548).

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

4031311403020 is a wasteful number, since it uses less digits than its factorization.

4031311403020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93016170 (or 93016168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 4031311403020 its reverse (203041131304), we get a palindrome (4234352534324).

The spelling of 4031311403020 in words is "four trillion, thirty-one billion, three hundred eleven million, four hundred three thousand, twenty".