1031311324140 has 96 divisors (see below), whose sum is σ = 2892548822016. Its totient is φ = 274552208640.

The previous prime is 1031311324133. The next prime is 1031311324171. The reversal of 1031311324140 is 414231131301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031311324140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151148769 + ... + 151155591.

It is an arithmetic number, because the mean of its divisors is an integer number (30130716896).

Almost surely, 2^{1031311324140} is an apocalyptic number.

1031311324140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031311324140 is an abundant number, since it is smaller than the sum of its proper divisors (1861237497876).

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

1031311324140 is a wasteful number, since it uses less digits than its factorization.

1031311324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1031311324140 its reverse (414231131301), we get a palindrome (1445542455441).

The spelling of 1031311324140 in words is "one trillion, thirty-one billion, three hundred eleven million, three hundred twenty-four thousand, one hundred forty".