31429046146 has 8 divisors (see below), whose sum is σ = 47147590800. Its totient is φ = 15713182548.

The previous prime is 31429046093. The next prime is 31429046161. The reversal of 31429046146 is 64164092413.

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

It is a junction number, because it is equal to n+sod(n) for n = 31429046099 and 31429046108.

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, 640696 + ... + 688003.

It is an arithmetic number, because the mean of its divisors is an integer number (5893448850).

Almost surely, 2^31429046146 is an apocalyptic number.

31429046146 is a deficient number, since it is larger than the sum of its proper divisors (15718544654).

31429046146 is a wasteful number, since it uses less digits than its factorization.

31429046146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340528.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 31429046146 in words is "thirty-one billion, four hundred twenty-nine million, forty-six thousand, one hundred forty-six".