103131323250451 has 16 divisors (see below), whose sum is σ = 106503856906240. Its totient is φ = 99790333382880.

The previous prime is 103131323250443. The next prime is 103131323250479. The reversal of 103131323250451 is 154052323131301.

It is a cyclic number.

It is not a de Polignac number, because 103131323250451 - 2³ = 103131323250443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131323250421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4820920 + ... + 15149386.

It is an arithmetic number, because the mean of its divisors is an integer number (6656491056640).

Almost surely, 2^{103131323250451} is an apocalyptic number.

103131323250451 is a deficient number, since it is larger than the sum of its proper divisors (3372533655789).

103131323250451 is a wasteful number, since it uses less digits than its factorization.

103131323250451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329994.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 103131323250451 its reverse (154052323131301), we get a palindrome (257183646381752).

The spelling of 103131323250451 in words is "one hundred three trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred fifty thousand, four hundred fifty-one".