10506631213 has 8 divisors (see below), whose sum is σ = 11364681888. Its totient is φ = 9655701744.

The previous prime is 10506631207. The next prime is 10506631249. The reversal of 10506631213 is 31213660501.

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

It is a de Polignac number, because none of the positive numbers 2^k-10506631213 is a prime.

It is a super-2 number, since 2×10506631213² (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 (10506631253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777231 + ... + 1783132.

It is an arithmetic number, because the mean of its divisors is an integer number (1420585236).

Almost surely, 2^10506631213 is an apocalyptic number.

10506631213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10506631213 is a deficient number, since it is larger than the sum of its proper divisors (858050675).

10506631213 is a wasteful number, since it uses less digits than its factorization.

10506631213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560603.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 10506631213 in words is "ten billion, five hundred six million, six hundred thirty-one thousand, two hundred thirteen".