31429510540 has 24 divisors (see below), whose sum is σ = 66019781520. Its totient is φ = 12568411968.

The previous prime is 31429510531. The next prime is 31429510613. The reversal of 31429510540 is 4501592413.

It is a junction number, because it is equal to n+sod(n) for n = 31429510496 and 31429510505.

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, 135367 + ... + 284926.

It is an arithmetic number, because the mean of its divisors is an integer number (2750824230).

Almost surely, 2^31429510540 is an apocalyptic number.

It is an amenable number.

31429510540 is an abundant number, since it is smaller than the sum of its proper divisors (34590270980).

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

31429510540 is a wasteful number, since it uses less digits than its factorization.

31429510540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424041 (or 424039 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 31429510540 in words is "thirty-one billion, four hundred twenty-nine million, five hundred ten thousand, five hundred forty".