1031201130031 has 4 divisors (see below), whose sum is σ = 1033662231000. Its totient is φ = 1028740029064.

The previous prime is 1031201129971. The next prime is 1031201130049. The reversal of 1031201130031 is 1300311021301.

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 1031201130031 - 2¹⁷ = 1031200998959 is a prime.

It is a super-2 number, since 2×1031201130031² (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 = 1031201129987 and 1031201130014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201130331) 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, 1230549856 + ... + 1230550693.

It is an arithmetic number, because the mean of its divisors is an integer number (258415557750).

Almost surely, 2^{1031201130031} is an apocalyptic number.

1031201130031 is a deficient number, since it is larger than the sum of its proper divisors (2461100969).

1031201130031 is an equidigital number, since it uses as much as digits as its factorization.

1031201130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461100968.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1031201130031 its reverse (1300311021301), we get a palindrome (2331512151332).

The spelling of 1031201130031 in words is "one trillion, thirty-one billion, two hundred one million, one hundred thirty thousand, thirty-one".