1012103120031 has 8 divisors (see below), whose sum is σ = 1355415633024. Its totient is φ = 671763010200.

The previous prime is 1012103120009. The next prime is 1012103120057. The reversal of 1012103120031 is 1300213012101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012103120031 - 2⁷ = 1012103119903 is a prime.

It is a super-2 number, since 2×1012103120031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012103121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743099995 + ... + 743101356.

It is an arithmetic number, because the mean of its divisors is an integer number (169426954128).

Almost surely, 2^{1012103120031} is an apocalyptic number.

1012103120031 is a deficient number, since it is larger than the sum of its proper divisors (343312512993).

1012103120031 is a wasteful number, since it uses less digits than its factorization.

1012103120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486201581.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1012103120031 its reverse (1300213012101), we get a palindrome (2312316132132).

The spelling of 1012103120031 in words is "one trillion, twelve billion, one hundred three million, one hundred twenty thousand, thirty-one".