451103131 has 2 divisors, whose sum is σ = 451103132. Its totient is φ = 451103130.

The previous prime is 451103129. The next prime is 451103171. The reversal of 451103131 is 131301154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451103131 - 2¹ = 451103129 is a prime.

It is a super-2 number, since 2×451103131² = 406988069596006322, which contains 22 as substring.

Together with 451103129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 451103099 and 451103108.

It is not a weakly prime, because it can be changed into another prime (451103101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225551565 + 225551566.

It is an arithmetic number, because the mean of its divisors is an integer number (225551566).

Almost surely, 2^451103131 is an apocalyptic number.

451103131 is a deficient number, since it is larger than the sum of its proper divisors (1).

451103131 is an equidigital number, since it uses as much as digits as its factorization.

451103131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 451103131 is about 21239.1885673629. The cubic root of 451103131 is about 766.9350989667.

Adding to 451103131 its reverse (131301154), we get a palindrome (582404285).

The spelling of 451103131 in words is "four hundred fifty-one million, one hundred three thousand, one hundred thirty-one".