1383005131 has 4 divisors (see below), whose sum is σ = 1464358392. Its totient is φ = 1301651872.

The previous prime is 1383005119. The next prime is 1383005137. The reversal of 1383005131 is 1315003831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315003831 = 541 ⋅2430691.

It is a cyclic number.

It is not a de Polignac number, because 1383005131 - 2⁹ = 1383004619 is a prime.

It is a super-2 number, since 2×1383005131² = 3825406384744654322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1383005096 and 1383005105.

It is not an unprimeable number, because it can be changed into a prime (1383005137) 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, 40676605 + ... + 40676638.

It is an arithmetic number, because the mean of its divisors is an integer number (366089598).

Almost surely, 2^1383005131 is an apocalyptic number.

1383005131 is a deficient number, since it is larger than the sum of its proper divisors (81353261).

1383005131 is an equidigital number, since it uses as much as digits as its factorization.

1383005131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81353260.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1383005131 is about 37188.7769495045. The cubic root of 1383005131 is about 1114.1438408747.

Adding to 1383005131 its reverse (1315003831), we get a palindrome (2698008962).

The spelling of 1383005131 in words is "one billion, three hundred eighty-three million, five thousand, one hundred thirty-one".