1020031131404 has 48 divisors (see below), whose sum is σ = 1808379832896. Its totient is φ = 503387136000.

The previous prime is 1020031131397. The next prime is 1020031131451. The reversal of 1020031131404 is 4041311300201.

It is a super-2 number, since 2×1020031131404² (a number of 25 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, 166641464 + ... + 166647584.

It is an arithmetic number, because the mean of its divisors is an integer number (37674579852).

Almost surely, 2^{1020031131404} is an apocalyptic number.

It is an amenable number.

1020031131404 is a deficient number, since it is larger than the sum of its proper divisors (788348701492).

1020031131404 is a wasteful number, since it uses less digits than its factorization.

1020031131404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506 (or 7504 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1020031131404 its reverse (4041311300201), we get a palindrome (5061342431605).

The spelling of 1020031131404 in words is "one trillion, twenty billion, thirty-one million, one hundred thirty-one thousand, four hundred four".