1031201132231 has 8 divisors (see below), whose sum is σ = 1045057070400. Its totient is φ = 1017365263200.

The previous prime is 1031201132201. The next prime is 1031201132293. The reversal of 1031201132231 is 1322311021301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031201132231 is a prime.

It is a super-2 number, since 2×1031201132231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201132201) 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 7 ways as a sum of consecutive naturals, for example, 4913816 + ... + 5119373.

It is an arithmetic number, because the mean of its divisors is an integer number (130632133800).

Almost surely, 2^{1031201132231} is an apocalyptic number.

1031201132231 is a deficient number, since it is larger than the sum of its proper divisors (13855938169).

1031201132231 is a wasteful number, since it uses less digits than its factorization.

1031201132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034569.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031201132231 its reverse (1322311021301), we get a palindrome (2353512153532).

The spelling of 1031201132231 in words is "one trillion, thirty-one billion, two hundred one million, one hundred thirty-two thousand, two hundred thirty-one".