2043242431213 has 6 divisors (see below), whose sum is σ = 2156441458254. Its totient is φ = 1935703355544.

The previous prime is 2043242431201. The next prime is 2043242431231. The reversal of 2043242431213 is 3121342423402.

It can be written as a sum of positive squares in only one way, i.e., 1911035289604 + 132207141609 = 1382402^2 + 363603^2 .

It is not a de Polignac number, because 2043242431213 - 2²¹ = 2043240334061 is a prime.

It is a super-2 number, since 2×2043242431213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043242431253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2829975306 + ... + 2829976027.

It is an arithmetic number, because the mean of its divisors is an integer number (359406909709).

Almost surely, 2^{2043242431213} is an apocalyptic number.

It is an amenable number.

2043242431213 is a deficient number, since it is larger than the sum of its proper divisors (113199027041).

2043242431213 is an equidigital number, since it uses as much as digits as its factorization.

2043242431213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659951371 (or 5659951352 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2043242431213 its reverse (3121342423402), we get a palindrome (5164584854615).

The spelling of 2043242431213 in words is "two trillion, forty-three billion, two hundred forty-two million, four hundred thirty-one thousand, two hundred thirteen".