1203012322331 has 4 divisors (see below), whose sum is σ = 1207451482464. Its totient is φ = 1198573162200.

The previous prime is 1203012322327. The next prime is 1203012322403. The reversal of 1203012322331 is 1332232103021.

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 1203012322331 - 2² = 1203012322327 is a prime.

It is a super-2 number, since 2×1203012322331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203012322297 and 1203012322306.

It is not an unprimeable number, because it can be changed into a prime (1203012322231) 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, 2219579660 + ... + 2219580201.

It is an arithmetic number, because the mean of its divisors is an integer number (301862870616).

Almost surely, 2^{1203012322331} is an apocalyptic number.

1203012322331 is a deficient number, since it is larger than the sum of its proper divisors (4439160133).

1203012322331 is an equidigital number, since it uses as much as digits as its factorization.

1203012322331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439160132.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1203012322331 its reverse (1332232103021), we get a palindrome (2535244425352).

The spelling of 1203012322331 in words is "one trillion, two hundred three billion, twelve million, three hundred twenty-two thousand, three hundred thirty-one".