1203230322131 has 4 divisors (see below), whose sum is σ = 1274008576392. Its totient is φ = 1132452067872.

The previous prime is 1203230322103. The next prime is 1203230322137. The reversal of 1203230322131 is 1312230323021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203230322131 is a prime.

It is a super-2 number, since 2×1203230322131² (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 = 1203230322097 and 1203230322106.

It is not an unprimeable number, because it can be changed into a prime (1203230322137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35389127105 + ... + 35389127138.

It is an arithmetic number, because the mean of its divisors is an integer number (318502144098).

Almost surely, 2^{1203230322131} is an apocalyptic number.

1203230322131 is a deficient number, since it is larger than the sum of its proper divisors (70778254261).

1203230322131 is an equidigital number, since it uses as much as digits as its factorization.

1203230322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70778254260.

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

Adding to 1203230322131 its reverse (1312230323021), we get a palindrome (2515460645152).

The spelling of 1203230322131 in words is "one trillion, two hundred three billion, two hundred thirty million, three hundred twenty-two thousand, one hundred thirty-one".