10420123031 has 16 divisors (see below), whose sum is σ = 10887444480. Its totient is φ = 9961561440.

The previous prime is 10420123027. The next prime is 10420123057. The reversal of 10420123031 is 13032102401.

It is a cyclic number.

It is not a de Polignac number, because 10420123031 - 2² = 10420123027 is a prime.

It is a super-2 number, since 2×10420123031² (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 (10420113031) 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 15 ways as a sum of consecutive naturals, for example, 1168070 + ... + 1176956.

It is an arithmetic number, because the mean of its divisors is an integer number (680465280).

Almost surely, 2^10420123031 is an apocalyptic number.

10420123031 is a deficient number, since it is larger than the sum of its proper divisors (467321449).

10420123031 is a wasteful number, since it uses less digits than its factorization.

10420123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10420123031 its reverse (13032102401), we get a palindrome (23452225432).

The spelling of 10420123031 in words is "ten billion, four hundred twenty million, one hundred twenty-three thousand, thirty-one".