1378031041 has 4 divisors (see below), whose sum is σ = 1378105812. Its totient is φ = 1377956272.

The previous prime is 1378031029. The next prime is 1378031059. The reversal of 1378031041 is 1401308731.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1401308731 = 193 ⋅7260667.

It can be written as a sum of positive squares in 2 ways, for example, as 816530625 + 561500416 = 28575^2 + 23696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1378031041 - 2¹⁵ = 1377998273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1378031141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12051 + ... + 53863.

It is an arithmetic number, because the mean of its divisors is an integer number (344526453).

Almost surely, 2^1378031041 is an apocalyptic number.

It is an amenable number.

1378031041 is a deficient number, since it is larger than the sum of its proper divisors (74771).

1378031041 is an equidigital number, since it uses as much as digits as its factorization.

1378031041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74770.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1378031041 is about 37121.8404850837. The cubic root of 1378031041 is about 1112.8065334836.

Adding to 1378031041 its reverse (1401308731), we get a palindrome (2779339772).

The spelling of 1378031041 in words is "one billion, three hundred seventy-eight million, thirty-one thousand, forty-one".