1013201231031 has 24 divisors (see below), whose sum is σ = 1598371866000. Its totient is φ = 613364294400.

The previous prime is 1013201230997. The next prime is 1013201231069. The reversal of 1013201231031 is 1301321023101.

1013201231031 is a `hidden beast` number, since 1 + 0 + 1 + 320 + 1 + 2 + 310 + 31 = 666.

It is not a de Polignac number, because 1013201231031 - 2¹¹ = 1013201228983 is a prime.

It is a super-2 number, since 2×1013201231031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013201230995 and 1013201231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013201232031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5721156 + ... + 5895593.

It is an arithmetic number, because the mean of its divisors is an integer number (66598827750).

Almost surely, 2^{1013201231031} is an apocalyptic number.

1013201231031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013201231031 is a deficient number, since it is larger than the sum of its proper divisors (585170634969).

1013201231031 is a wasteful number, since it uses less digits than its factorization.

1013201231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11617647 (or 11617644 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1013201231031 its reverse (1301321023101), we get a palindrome (2314522254132).

The spelling of 1013201231031 in words is "one trillion, thirteen billion, two hundred one million, two hundred thirty-one thousand, thirty-one".