10120011031 has 4 divisors (see below), whose sum is σ = 10898473432. Its totient is φ = 9341548632.

The previous prime is 10120011023. The next prime is 10120011037. The reversal of 10120011031 is 13011002101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10120011031 - 2³ = 10120011023 is a prime.

It is a super-2 number, since 2×10120011031² (a number of 21 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 = 10120010999 and 10120011017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120011037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389231181 + ... + 389231206.

It is an arithmetic number, because the mean of its divisors is an integer number (2724618358).

Almost surely, 2^10120011031 is an apocalyptic number.

10120011031 is a deficient number, since it is larger than the sum of its proper divisors (778462401).

10120011031 is an equidigital number, since it uses as much as digits as its factorization.

10120011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778462400.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 10120011031 its reverse (13011002101), we get a palindrome (23131013132).

The spelling of 10120011031 in words is "ten billion, one hundred twenty million, eleven thousand, thirty-one".