1010031331320 has 192 divisors, whose sum is σ = 3668362719840. Its totient is φ = 238883942400.

The previous prime is 1010031331273. The next prime is 1010031331321. The reversal of 1010031331320 is 231331300101.

It is a happy number.

1010031331320 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 0 + 313 + 31 + 320 = 666.

It is a super-2 number, since 2×1010031331320² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1010031331293 and 1010031331302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010031331321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2948109 + ... + 3272828.

Almost surely, 2^{1010031331320} is an apocalyptic number.

1010031331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010031331320 is an abundant number, since it is smaller than the sum of its proper divisors (2658331388520).

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

1010031331320 is a wasteful number, since it uses less digits than its factorization.

1010031331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221006 (or 6220999 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1010031331320 its reverse (231331300101), we get a palindrome (1241362631421).

The spelling of 1010031331320 in words is "one trillion, ten billion, thirty-one million, three hundred thirty-one thousand, three hundred twenty".