10513531251433 has 4 divisors (see below), whose sum is σ = 12015464287360. Its totient is φ = 9011598215508.

The previous prime is 10513531251389. The next prime is 10513531251449. The reversal of 10513531251433 is 33415213531501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-10513531251433 is a prime.

It is a super-2 number, since 2×10513531251433² (a number of 27 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 = 10513531251392 and 10513531251401.

It is not an unprimeable number, because it can be changed into a prime (10513531251473) 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, 750966517953 + ... + 750966517966.

It is an arithmetic number, because the mean of its divisors is an integer number (3003866071840).

Almost surely, 2^{10513531251433} is an apocalyptic number.

It is an amenable number.

10513531251433 is a deficient number, since it is larger than the sum of its proper divisors (1501933035927).

10513531251433 is an equidigital number, since it uses as much as digits as its factorization.

10513531251433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501933035926.

The product of its (nonzero) digits is 81000, while the sum is 37.

Adding to 10513531251433 its reverse (33415213531501), we get a palindrome (43928744782934).

The spelling of 10513531251433 in words is "ten trillion, five hundred thirteen billion, five hundred thirty-one million, two hundred fifty-one thousand, four hundred thirty-three".