31120332132 has 24 divisors (see below), whose sum is σ = 73076622976. Its totient is φ = 10307370528.

The previous prime is 31120332121. The next prime is 31120332143. The reversal of 31120332132 is 23123302113.

It is an interprime number because it is at equal distance from previous prime (31120332121) and next prime (31120332143).

It is a junction number, because it is equal to n+sod(n) for n = 31120332099 and 31120332108.

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, 8257228 + ... + 8260995.

Almost surely, 2^31120332132 is an apocalyptic number.

It is an amenable number.

31120332132 is an abundant number, since it is smaller than the sum of its proper divisors (41956290844).

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

31120332132 is a wasteful number, since it uses less digits than its factorization.

31120332132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518387 (or 16518385 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31120332132 its reverse (23123302113), we get a palindrome (54243634245).

The spelling of 31120332132 in words is "thirty-one billion, one hundred twenty million, three hundred thirty-two thousand, one hundred thirty-two".