1303121133231 has 8 divisors (see below), whose sum is σ = 1737501530544. Its totient is φ = 868744079040.

The previous prime is 1303121133217. The next prime is 1303121133241. The reversal of 1303121133231 is 1323311213031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1303121133231 - 2⁷ = 1303121133103 is a prime.

It is a super-2 number, since 2×1303121133231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303121133241) 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 7 ways as a sum of consecutive naturals, for example, 290595 + ... + 1640331.

It is an arithmetic number, because the mean of its divisors is an integer number (217187691318).

Almost surely, 2^{1303121133231} is an apocalyptic number.

1303121133231 is a deficient number, since it is larger than the sum of its proper divisors (434380397313).

1303121133231 is a wasteful number, since it uses less digits than its factorization.

1303121133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671561.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1303121133231 its reverse (1323311213031), we get a palindrome (2626432346262).

The spelling of 1303121133231 in words is "one trillion, three hundred three billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred thirty-one".