1013321431 has 8 divisors (see below), whose sum is σ = 1079356320. Its totient is φ = 948000768.

The previous prime is 1013321423. The next prime is 1013321453. The reversal of 1013321431 is 1341233101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013321431 - 2³ = 1013321423 is a prime.

It is a super-2 number, since 2×1013321431² = 2053640645047775522, 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 = 1013321399 and 1013321408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013301431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175626 + ... + 181303.

It is an arithmetic number, because the mean of its divisors is an integer number (134919540).

Almost surely, 2^1013321431 is an apocalyptic number.

1013321431 is a deficient number, since it is larger than the sum of its proper divisors (66034889).

1013321431 is a wasteful number, since it uses less digits than its factorization.

1013321431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357113.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1013321431 is about 31832.7100794136. The cubic root of 1013321431 is about 1004.4209038082.

Adding to 1013321431 its reverse (1341233101), we get a palindrome (2354554532).

The spelling of 1013321431 in words is "one billion, thirteen million, three hundred twenty-one thousand, four hundred thirty-one".