31421014433452 has 48 divisors (see below), whose sum is σ = 65730793443840. Its totient is φ = 12849922749312.

The previous prime is 31421014433357. The next prime is 31421014433489. The reversal of 31421014433452 is 25433441012413.

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, 57952593 + ... + 58492264.

It is an arithmetic number, because the mean of its divisors is an integer number (1369391530080).

Almost surely, 2^{31421014433452} is an apocalyptic number.

It is an amenable number.

31421014433452 is an abundant number, since it is smaller than the sum of its proper divisors (34309779010388).

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

31421014433452 is a wasteful number, since it uses less digits than its factorization.

31421014433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116445310 (or 116445308 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 31421014433452 its reverse (25433441012413), we get a palindrome (56854455445865).

The spelling of 31421014433452 in words is "thirty-one trillion, four hundred twenty-one billion, fourteen million, four hundred thirty-three thousand, four hundred fifty-two".