31428873173030 has 8 divisors (see below), whose sum is σ = 56571971711472. Its totient is φ = 12571549269208.

The previous prime is 31428873172969. The next prime is 31428873173059. The reversal of 31428873173030 is 3037137882413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31428873173030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571443658642 + ... + 1571443658661.

It is an arithmetic number, because the mean of its divisors is an integer number (7071496463934).

Almost surely, 2^{31428873173030} is an apocalyptic number.

31428873173030 is a deficient number, since it is larger than the sum of its proper divisors (25143098538442).

31428873173030 is a wasteful number, since it uses less digits than its factorization.

31428873173030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142887317310.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 31428873173030 in words is "thirty-one trillion, four hundred twenty-eight billion, eight hundred seventy-three million, one hundred seventy-three thousand, thirty".