31420933532 has 12 divisors (see below), whose sum is σ = 54988350480. Its totient is φ = 15709976256.

The previous prime is 31420933529. The next prime is 31420933549. The reversal of 31420933532 is 23533902413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31420933492 and 31420933501.

It is a congruent number.

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, 47828 + ... + 255204.

It is an arithmetic number, because the mean of its divisors is an integer number (4582362540).

Almost surely, 2^31420933532 is an apocalyptic number.

It is an amenable number.

31420933532 is a deficient number, since it is larger than the sum of its proper divisors (23567416948).

31420933532 is a wasteful number, since it uses less digits than its factorization.

31420933532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245260 (or 245258 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 31420933532 in words is "thirty-one billion, four hundred twenty million, nine hundred thirty-three thousand, five hundred thirty-two".