10121002031 has 16 divisors (see below), whose sum is σ = 11651126784. Its totient is φ = 8612067744.

The previous prime is 10121002027. The next prime is 10121002049. The reversal of 10121002031 is 13020012101.

10121002031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121002031 - 2² = 10121002027 is a prime.

It is a super-2 number, since 2×10121002031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098761 + ... + 1107933.

It is an arithmetic number, because the mean of its divisors is an integer number (728195424).

Almost surely, 2^10121002031 is an apocalyptic number.

10121002031 is a deficient number, since it is larger than the sum of its proper divisors (1530124753).

10121002031 is an equidigital number, since it uses as much as digits as its factorization.

10121002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10121002031 its reverse (13020012101), we get a palindrome (23141014132).

The spelling of 10121002031 in words is "ten billion, one hundred twenty-one million, two thousand, thirty-one".