3140531101540 has 144 divisors (see below), whose sum is σ = 8124360734448. Its totient is φ = 1013264695296.

The previous prime is 3140531101517. The next prime is 3140531101553. The reversal of 3140531101540 is 451011350413.

It can be written as a sum of positive squares in 8 ways, for example, as 1448133051456 + 1692398050084 = 1203384^2 + 1300922^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3140531101499 and 3140531101508.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188532892 + ... + 188549548.

It is an arithmetic number, because the mean of its divisors is an integer number (56419171767).

Almost surely, 2^{3140531101540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3140531101540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4062180367224).

3140531101540 is an abundant number, since it is smaller than the sum of its proper divisors (4983829632908).

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

3140531101540 is a wasteful number, since it uses less digits than its factorization.

3140531101540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28014 (or 28005 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 3140531101540 its reverse (451011350413), we get a palindrome (3591542451953).

The spelling of 3140531101540 in words is "three trillion, one hundred forty billion, five hundred thirty-one million, one hundred one thousand, five hundred forty".