1013201345 has 16 divisors (see below), whose sum is σ = 1313577552. Its totient is φ = 745804800.

The previous prime is 1013201323. The next prime is 1013201347. The reversal of 1013201345 is 5431023101.

It can be written as a sum of positive squares in 8 ways, for example, as 406465921 + 606735424 = 20161^2 + 24632^2 .

It is not a de Polignac number, because 1013201345 - 2²⁰ = 1012152769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013201347) 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, 4556 + ... + 45245.

It is an arithmetic number, because the mean of its divisors is an integer number (82098597).

Almost surely, 2^1013201345 is an apocalyptic number.

It is an amenable number.

1013201345 is a deficient number, since it is larger than the sum of its proper divisors (300376207).

1013201345 is a wasteful number, since it uses less digits than its factorization.

1013201345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50132.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1013201345 is about 31830.8238190594. The cubic root of 1013201345 is about 1004.3812251666.

Adding to 1013201345 its reverse (5431023101), we get a palindrome (6444224446).

The spelling of 1013201345 in words is "one billion, thirteen million, two hundred one thousand, three hundred forty-five".