1302143101 has 24 divisors (see below), whose sum is σ = 1610963640. Its totient is φ = 1045804032.

The previous prime is 1302143099. The next prime is 1302143111. The reversal of 1302143101 is 1013412031.

It can be written as a sum of positive squares in 4 ways, for example, as 260790201 + 1041352900 = 16149^2 + 32270^2 .

It is not a de Polignac number, because 1302143101 - 2¹ = 1302143099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302143111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190735 + ... + 197443.

It is an arithmetic number, because the mean of its divisors is an integer number (67123485).

Almost surely, 2^1302143101 is an apocalyptic number.

It is an amenable number.

1302143101 is a deficient number, since it is larger than the sum of its proper divisors (308820539).

1302143101 is a wasteful number, since it uses less digits than its factorization.

1302143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1302143101 is about 36085.2199799308. The cubic root of 1302143101 is about 1091.9922884619.

Adding to 1302143101 its reverse (1013412031), we get a palindrome (2315555132).

The spelling of 1302143101 in words is "one billion, three hundred two million, one hundred forty-three thousand, one hundred one".