2031134340340 has 96 divisors (see below), whose sum is σ = 4920132559104. Its totient is φ = 689907456000.

The previous prime is 2031134340337. The next prime is 2031134340343. The reversal of 2031134340340 is 430434311302.

It is an interprime number because it is at equal distance from previous prime (2031134340337) and next prime (2031134340343).

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 = 2031134340299 and 2031134340308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031134340343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35582302 + ... + 35639338.

It is an arithmetic number, because the mean of its divisors is an integer number (51251380824).

Almost surely, 2^{2031134340340} is an apocalyptic number.

2031134340340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031134340340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2460066279552).

2031134340340 is an abundant number, since it is smaller than the sum of its proper divisors (2888998218764).

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

2031134340340 is a wasteful number, since it uses less digits than its factorization.

2031134340340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59417 (or 59415 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2031134340340 its reverse (430434311302), we get a palindrome (2461568651642).

The spelling of 2031134340340 in words is "two trillion, thirty-one billion, one hundred thirty-four million, three hundred forty thousand, three hundred forty".