31432433401000 has 64 divisors (see below), whose sum is σ = 74378320146000. Its totient is φ = 12431703961600.

The previous prime is 31432433400967. The next prime is 31432433401027. The reversal of 31432433401000 is 10433423413.

It can be written as a sum of positive squares in 8 ways, for example, as 1542310642404 + 29890122758596 = 1241898^2 + 5467186^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31432433401000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176497705 + ... + 176675704.

Almost surely, 2^{31432433401000} is an apocalyptic number.

It is an amenable number.

31432433401000 is an abundant number, since it is smaller than the sum of its proper divisors (42945886745000).

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

31432433401000 is a wasteful number, since it uses less digits than its factorization.

31432433401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353173519 (or 353173505 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31432433401000 its reverse (10433423413), we get a palindrome (31442866824413).

The spelling of 31432433401000 in words is "thirty-one trillion, four hundred thirty-two billion, four hundred thirty-three million, four hundred one thousand".