31430314332 has 30 divisors (see below), whose sum is σ = 82165050968. Its totient is φ = 10476771336.

The previous prime is 31430314303. The next prime is 31430314337. The reversal of 31430314332 is 23341303413.

31430314332 is a `hidden beast` number, since 3 + 14 + 3 + 0 + 314 + 332 = 666.

It is a super-3 number, since 3×31430314332³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31430314296 and 31430314305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31430314337) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48503248 + ... + 48503895.

Almost surely, 2^31430314332 is an apocalyptic number.

It is an amenable number.

31430314332 is an abundant number, since it is smaller than the sum of its proper divisors (50734736636).

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

31430314332 is a wasteful number, since it uses less digits than its factorization.

31430314332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97007159 (or 97007148 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 31430314332 its reverse (23341303413), we get a palindrome (54771617745).

The spelling of 31430314332 in words is "thirty-one billion, four hundred thirty million, three hundred fourteen thousand, three hundred thirty-two".