451131102 has 24 divisors (see below), whose sum is σ = 978986736. Its totient is φ = 150140736.

The previous prime is 451131067. The next prime is 451131133. The reversal of 451131102 is 201131154.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7723 + ... + 31014.

It is an arithmetic number, because the mean of its divisors is an integer number (40791114).

Almost surely, 2^451131102 is an apocalyptic number.

451131102 is an abundant number, since it is smaller than the sum of its proper divisors (527855634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451131102 is a wasteful number, since it uses less digits than its factorization.

451131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39392 (or 39389 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 451131102 is about 21239.8470333475. The cubic root of 451131102 is about 766.9509501079.

Adding to 451131102 its reverse (201131154), we get a palindrome (652262256).

The spelling of 451131102 in words is "four hundred fifty-one million, one hundred thirty-one thousand, one hundred two".