1031131224396 has 168 divisors, whose sum is σ = 3329824639904. Its totient is φ = 271946626560.

The previous prime is 1031131224377. The next prime is 1031131224401. The reversal of 1031131224396 is 6934221311301.

1031131224396 is a `hidden beast` number, since 1 + 0 + 3 + 11 + 31 + 224 + 396 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1031131224396.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1677565 + ... + 2208276.

Almost surely, 2^{1031131224396} is an apocalyptic number.

It is an amenable number.

1031131224396 is an abundant number, since it is smaller than the sum of its proper divisors (2298693415508).

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

1031131224396 is a wasteful number, since it uses less digits than its factorization.

1031131224396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885883 (or 3885866 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Adding to 1031131224396 its reverse (6934221311301), we get a palindrome (7965352535697).

The spelling of 1031131224396 in words is "one trillion, thirty-one billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred ninety-six".