1302152440231 has 4 divisors (see below), whose sum is σ = 1305499876200. Its totient is φ = 1298805004264.

The previous prime is 1302152440223. The next prime is 1302152440291. The reversal of 1302152440231 is 1320442512031.

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 1302152440231 - 2³ = 1302152440223 is a prime.

It is a super-2 number, since 2×1302152440231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302152440231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302152440291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673717401 + ... + 1673718178.

It is an arithmetic number, because the mean of its divisors is an integer number (326374969050).

Almost surely, 2^{1302152440231} is an apocalyptic number.

1302152440231 is a deficient number, since it is larger than the sum of its proper divisors (3347435969).

1302152440231 is an equidigital number, since it uses as much as digits as its factorization.

1302152440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347435968.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1302152440231 its reverse (1320442512031), we get a palindrome (2622594952262).

The spelling of 1302152440231 in words is "one trillion, three hundred two billion, one hundred fifty-two million, four hundred forty thousand, two hundred thirty-one".