1302240131 has 4 divisors (see below), whose sum is σ = 1303439232. Its totient is φ = 1301041032.

The previous prime is 1302240097. The next prime is 1302240133. The reversal of 1302240131 is 1310422031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1302240131 - 2⁶ = 1302240067 is a prime.

It is a super-2 number, since 2×1302240131² = 3391658717573794322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302240133) 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 3 ways as a sum of consecutive naturals, for example, 597920 + ... + 600093.

It is an arithmetic number, because the mean of its divisors is an integer number (325859808).

Almost surely, 2^1302240131 is an apocalyptic number.

1302240131 is a deficient number, since it is larger than the sum of its proper divisors (1199101).

1302240131 is a wasteful number, since it uses less digits than its factorization.

1302240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199100.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1302240131 is about 36086.5644111489. The cubic root of 1302240131 is about 1092.0194112822.

Adding to 1302240131 its reverse (1310422031), we get a palindrome (2612662162).

The spelling of 1302240131 in words is "one billion, three hundred two million, two hundred forty thousand, one hundred thirty-one".