1013021313 has 16 divisors (see below), whose sum is σ = 1433270016. Its totient is φ = 634233600.

The previous prime is 1013021311. The next prime is 1013021341. The reversal of 1013021313 is 3131203101.

It is not a de Polignac number, because 1013021313 - 2¹ = 1013021311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013021292 and 1013021301.

It is not an unprimeable number, because it can be changed into a prime (1013021311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163 + ... + 45063.

It is an arithmetic number, because the mean of its divisors is an integer number (89579376).

Almost surely, 2^1013021313 is an apocalyptic number.

It is an amenable number.

1013021313 is a deficient number, since it is larger than the sum of its proper divisors (420248703).

1013021313 is a wasteful number, since it uses less digits than its factorization.

1013021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43384.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1013021313 is about 31827.9957427420. The cubic root of 1013021313 is about 1004.3217333810.

Adding to 1013021313 its reverse (3131203101), we get a palindrome (4144224414).

The spelling of 1013021313 in words is "one billion, thirteen million, twenty-one thousand, three hundred thirteen".