1011431334140 has 24 divisors (see below), whose sum is σ = 2169197416512. Its totient is φ = 395964607040.

The previous prime is 1011431334083. The next prime is 1011431334191. The reversal of 1011431334140 is 414331341101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537994451 + ... + 537996330.

It is an arithmetic number, because the mean of its divisors is an integer number (90383225688).

Almost surely, 2^{1011431334140} is an apocalyptic number.

1011431334140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011431334140 is an abundant number, since it is smaller than the sum of its proper divisors (1157766082372).

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

1011431334140 is a wasteful number, since it uses less digits than its factorization.

1011431334140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075990837 (or 1075990835 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1011431334140 its reverse (414331341101), we get a palindrome (1425762675241).

The spelling of 1011431334140 in words is "one trillion, eleven billion, four hundred thirty-one million, three hundred thirty-four thousand, one hundred forty".