451130931 has 32 divisors (see below), whose sum is σ = 707520000. Its totient is φ = 283608864.

The previous prime is 451130839. The next prime is 451130959. The reversal of 451130931 is 139031154.

It is not a de Polignac number, because 451130931 - 2⁷ = 451130803 is a prime.

It is a super-2 number, since 2×451130931² = 407038233809853522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 451130895 and 451130904.

It is not an unprimeable number, because it can be changed into a prime (451130531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26970 + ... + 40368.

It is an arithmetic number, because the mean of its divisors is an integer number (22110000).

Almost surely, 2^451130931 is an apocalyptic number.

451130931 is a deficient number, since it is larger than the sum of its proper divisors (256389069).

451130931 is a wasteful number, since it uses less digits than its factorization.

451130931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13480 (or 13474 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 451130931 is about 21239.8430078944. The cubic root of 451130931 is about 766.9508532044.

The spelling of 451130931 in words is "four hundred fifty-one million, one hundred thirty thousand, nine hundred thirty-one".