31284524130 has 16 divisors (see below), whose sum is σ = 75082857984. Its totient is φ = 8342539760.

The previous prime is 31284524021. The next prime is 31284524143. The reversal of 31284524130 is 3142548213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31284524091 and 31284524100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521408706 + ... + 521408765.

It is an arithmetic number, because the mean of its divisors is an integer number (4692678624).

Almost surely, 2^31284524130 is an apocalyptic number.

31284524130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31284524130 is an abundant number, since it is smaller than the sum of its proper divisors (43798333854).

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

31284524130 is a wasteful number, since it uses less digits than its factorization.

31284524130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042817481.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 31284524130 in words is "thirty-one billion, two hundred eighty-four million, five hundred twenty-four thousand, one hundred thirty".