1202313231131 has 8 divisors (see below), whose sum is σ = 1230288752880. Its totient is φ = 1174338379872.

The previous prime is 1202313231127. The next prime is 1202313231139. The reversal of 1202313231131 is 1311323132021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202313231131 - 2² = 1202313231127 is a prime.

It is a super-2 number, since 2×1202313231131² (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 = 1202313231097 and 1202313231106.

It is not an unprimeable number, because it can be changed into a prime (1202313231139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6628361 + ... + 6807333.

It is an arithmetic number, because the mean of its divisors is an integer number (153786094110).

Almost surely, 2^{1202313231131} is an apocalyptic number.

1202313231131 is a deficient number, since it is larger than the sum of its proper divisors (27975521749).

1202313231131 is a wasteful number, since it uses less digits than its factorization.

1202313231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335245.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1202313231131 its reverse (1311323132021), we get a palindrome (2513636363152).

The spelling of 1202313231131 in words is "one trillion, two hundred two billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-one".