1340121630031 has 8 divisors (see below), whose sum is σ = 1384488088704. Its totient is φ = 1295826216960.

The previous prime is 1340121630007. The next prime is 1340121630041. The reversal of 1340121630031 is 1300361210431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340121630031 - 2⁹ = 1340121629519 is a prime.

It is a super-2 number, since 2×1340121630031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340121629978 and 1340121630005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340121630041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17723050 + ... + 17798503.

It is an arithmetic number, because the mean of its divisors is an integer number (173061011088).

Almost surely, 2^{1340121630031} is an apocalyptic number.

1340121630031 is a deficient number, since it is larger than the sum of its proper divisors (44366458673).

1340121630031 is a wasteful number, since it uses less digits than its factorization.

1340121630031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35522801.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1340121630031 its reverse (1300361210431), we get a palindrome (2640482840462).

The spelling of 1340121630031 in words is "one trillion, three hundred forty billion, one hundred twenty-one million, six hundred thirty thousand, thirty-one".