10520550031 has 4 divisors (see below), whose sum is σ = 10668726864. Its totient is φ = 10372373200.

The previous prime is 10520549999. The next prime is 10520550043. The reversal of 10520550031 is 13005502501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13005502501 = 251 ⋅51814751.

It is a cyclic number.

It is not a de Polignac number, because 10520550031 - 2⁵ = 10520549999 is a prime.

It is a super-2 number, since 2×10520550031² (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 = 10520549984 and 10520550011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520550091) 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, 74088310 + ... + 74088451.

It is an arithmetic number, because the mean of its divisors is an integer number (2667181716).

Almost surely, 2^10520550031 is an apocalyptic number.

10520550031 is a deficient number, since it is larger than the sum of its proper divisors (148176833).

10520550031 is an equidigital number, since it uses as much as digits as its factorization.

10520550031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148176832.

The product of its (nonzero) digits is 750, while the sum is 22.

It can be divided in two parts, 105205 and 50031, that added together give a square (155236 = 394²).

The spelling of 10520550031 in words is "ten billion, five hundred twenty million, five hundred fifty thousand, thirty-one".