10311213657 has 4 divisors (see below), whose sum is σ = 13748284880. Its totient is φ = 6874142436.

The previous prime is 10311213599. The next prime is 10311213673. The reversal of 10311213657 is 75631211301.

10311213657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 10311213657 - 2¹⁶ = 10311148121 is a prime.

It is a super-2 number, since 2×10311213657² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10311203657) 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, 1718535607 + ... + 1718535612.

It is an arithmetic number, because the mean of its divisors is an integer number (3437071220).

Almost surely, 2^10311213657 is an apocalyptic number.

It is an amenable number.

10311213657 is a deficient number, since it is larger than the sum of its proper divisors (3437071223).

10311213657 is an equidigital number, since it uses as much as digits as its factorization.

10311213657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437071222.

The product of its (nonzero) digits is 3780, while the sum is 30.

Adding to 10311213657 its reverse (75631211301), we get a palindrome (85942424958).

The spelling of 10311213657 in words is "ten billion, three hundred eleven million, two hundred thirteen thousand, six hundred fifty-seven".