103312313131 has 4 divisors (see below), whose sum is σ = 105261602112. Its totient is φ = 101363024152.

The previous prime is 103312313101. The next prime is 103312313171. The reversal of 103312313131 is 131313213301.

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

It is a cyclic number.

It is not a de Polignac number, because 103312313131 - 2¹⁹ = 103311788843 is a prime.

It is a super-2 number, since 2×103312313131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312313101) 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, 974644411 + ... + 974644516.

It is an arithmetic number, because the mean of its divisors is an integer number (26315400528).

Almost surely, 2^103312313131 is an apocalyptic number.

103312313131 is a deficient number, since it is larger than the sum of its proper divisors (1949288981).

103312313131 is an equidigital number, since it uses as much as digits as its factorization.

103312313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949288980.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 103312313131 its reverse (131313213301), we get a palindrome (234625526432).

The spelling of 103312313131 in words is "one hundred three billion, three hundred twelve million, three hundred thirteen thousand, one hundred thirty-one".