1031201011231 has 8 divisors (see below), whose sum is σ = 1032303056400. Its totient is φ = 1030099103808.

The previous prime is 1031201011213. The next prime is 1031201011249. The reversal of 1031201011231 is 1321101021301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1031201011213) and next prime (1031201011249).

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 1031201011231 - 2¹³ = 1031201003039 is a prime.

It is a super-2 number, since 2×1031201011231² (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 (1031001011231) 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, 23007315 + ... + 23052091.

It is an arithmetic number, because the mean of its divisors is an integer number (129037882050).

Almost surely, 2^{1031201011231} is an apocalyptic number.

1031201011231 is a deficient number, since it is larger than the sum of its proper divisors (1102045169).

1031201011231 is an equidigital number, since it uses as much as digits as its factorization.

1031201011231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68873.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1031201011231 its reverse (1321101021301), we get a palindrome (2352302032532).

The spelling of 1031201011231 in words is "one trillion, thirty-one billion, two hundred one million, eleven thousand, two hundred thirty-one".