102831480 has 48 divisors (see below), whose sum is σ = 334203480. Its totient is φ = 27421632.

The previous prime is 102831479. The next prime is 102831481. The reversal of 102831480 is 84138201.

102831480 is a `hidden beast` number, since 102 + 83 + 1 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (102831479) and next prime (102831481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102831481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142462 + ... + 143181.

Almost surely, 2^102831480 is an apocalyptic number.

102831480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102831480 is an abundant number, since it is smaller than the sum of its proper divisors (231372000).

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

102831480 is a wasteful number, since it uses less digits than its factorization.

102831480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285660 (or 285653 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 102831480 is about 10140.5857818964. The cubic root of 102831480 is about 468.4990293867.

Adding to 102831480 its reverse (84138201), we get a palindrome (186969681).

The spelling of 102831480 in words is "one hundred two million, eight hundred thirty-one thousand, four hundred eighty".