1010123011031 has 8 divisors (see below), whose sum is σ = 1020144635184. Its totient is φ = 1000101787200.

The previous prime is 1010123010991. The next prime is 1010123011039. The reversal of 1010123011031 is 1301103210101.

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 not a de Polignac number, because 1010123011031 - 2¹⁰ = 1010123010007 is a prime.

It is a super-4 number, since 4×1010123011031⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010123010997 and 1010123011015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010123011039) 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, 9831035 + ... + 9933251.

It is an arithmetic number, because the mean of its divisors is an integer number (127518079398).

Almost surely, 2^{1010123011031} is an apocalyptic number.

1010123011031 is a deficient number, since it is larger than the sum of its proper divisors (10021624153).

1010123011031 is a wasteful number, since it uses less digits than its factorization.

1010123011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200161.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1010123011031 its reverse (1301103210101), we get a palindrome (2311226221132).

The spelling of 1010123011031 in words is "one trillion, ten billion, one hundred twenty-three million, eleven thousand, thirty-one".