103131213033011 has 4 divisors (see below), whose sum is σ = 103131842149392. Its totient is φ = 103130583916632.

The previous prime is 103131213032993. The next prime is 103131213033031. The reversal of 103131213033011 is 110330312131301.

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 103131213033011 - 2³⁸ = 102856335126067 is a prime.

It is a super-2 number, since 2×103131213033011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131213033031) 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, 314312231 + ... + 314640176.

It is an arithmetic number, because the mean of its divisors is an integer number (25782960537348).

Almost surely, 2^{103131213033011} is an apocalyptic number.

103131213033011 is a deficient number, since it is larger than the sum of its proper divisors (629116381).

103131213033011 is an equidigital number, since it uses as much as digits as its factorization.

103131213033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629116380.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 103131213033011 its reverse (110330312131301), we get a palindrome (213461525164312).

The spelling of 103131213033011 in words is "one hundred three trillion, one hundred thirty-one billion, two hundred thirteen million, thirty-three thousand, eleven".