1020031210031 has 8 divisors (see below), whose sum is σ = 1041839568000. Its totient is φ = 998429566680.

The previous prime is 1020031210027. The next prime is 1020031210063. The reversal of 1020031210031 is 1300121300201.

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 1020031210031 - 2² = 1020031210027 is a prime.

It is a super-2 number, since 2×1020031210031² (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 = 1020031209988 and 1020031210015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020031210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51668681 + ... + 51688418.

It is an arithmetic number, because the mean of its divisors is an integer number (130229946000).

Almost surely, 2^{1020031210031} is an apocalyptic number.

1020031210031 is a deficient number, since it is larger than the sum of its proper divisors (21808357969).

1020031210031 is a wasteful number, since it uses less digits than its factorization.

1020031210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103357309.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1020031210031 its reverse (1300121300201), we get a palindrome (2320152510232).

The spelling of 1020031210031 in words is "one trillion, twenty billion, thirty-one million, two hundred ten thousand, thirty-one".