102531480 has 64 divisors (see below), whose sum is σ = 308262240. Its totient is φ = 27282432.

The previous prime is 102531469. The next prime is 102531491. The reversal of 102531480 is 84135201.

It is an interprime number because it is at equal distance from previous prime (102531469) and next prime (102531491).

It is a super-3 number, since 3×102531480³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 102531480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102342 + ... + 103338.

Almost surely, 2^102531480 is an apocalyptic number.

102531480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102531480 is an abundant number, since it is smaller than the sum of its proper divisors (205730760).

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

102531480 is a wasteful number, since it uses less digits than its factorization.

102531480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 102531480 is about 10125.7829326922. The cubic root of 102531480 is about 468.0429867739.

Adding to 102531480 its reverse (84135201), we get a palindrome (186666681).

The spelling of 102531480 in words is "one hundred two million, five hundred thirty-one thousand, four hundred eighty".