31428600017146 has 8 divisors (see below), whose sum is σ = 47152686816180. Its totient is φ = 15711037745088.

The previous prime is 31428600017069. The next prime is 31428600017203. The reversal of 31428600017146 is 64171000682413.

It can be written as a sum of positive squares in 2 ways, for example, as 31090270498225 + 338329518921 = 5575865^2 + 581661^2 .

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

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, 1631119701 + ... + 1631138968.

Almost surely, 2^{31428600017146} is an apocalyptic number.

31428600017146 is a deficient number, since it is larger than the sum of its proper divisors (15724086799034).

31428600017146 is a wasteful number, since it uses less digits than its factorization.

31428600017146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262263488.

The product of its (nonzero) digits is 193536, while the sum is 43.

Adding to 31428600017146 its reverse (64171000682413), we get a palindrome (95599600699559).

The spelling of 31428600017146 in words is "thirty-one trillion, four hundred twenty-eight billion, six hundred million, seventeen thousand, one hundred forty-six".