1013231441 has 4 divisors (see below), whose sum is σ = 1014226800. Its totient is φ = 1012236084.

The previous prime is 1013231431. The next prime is 1013231473. The reversal of 1013231441 is 1441323101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1441323101 = 373 ⋅3864137.

It is a cyclic number.

It is not a de Polignac number, because 1013231441 - 2²² = 1009037137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013231431) 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, 496151 + ... + 498188.

It is an arithmetic number, because the mean of its divisors is an integer number (253556700).

Almost surely, 2^1013231441 is an apocalyptic number.

It is an amenable number.

1013231441 is a deficient number, since it is larger than the sum of its proper divisors (995359).

1013231441 is an equidigital number, since it uses as much as digits as its factorization.

1013231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995358.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1013231441 is about 31831.2965648589. The cubic root of 1013231441 is about 1004.3911697376.

Adding to 1013231441 its reverse (1441323101), we get a palindrome (2454554542).

The spelling of 1013231441 in words is "one billion, thirteen million, two hundred thirty-one thousand, four hundred forty-one".