31053132 has 60 divisors (see below), whose sum is σ = 88569096. Its totient is φ = 9408960.

The previous prime is 31053131. The next prime is 31053137. The reversal of 31053132 is 23135013.

It is a super-3 number, since 3×31053132³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (31053131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 793 + ... + 7920.

Almost surely, 2^31053132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31053132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44284548).

31053132 is an abundant number, since it is smaller than the sum of its proper divisors (57515964).

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

31053132 is a wasteful number, since it uses less digits than its factorization.

31053132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740 (or 8729 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 31053132 is about 5572.5337145683. The cubic root of 31053132 is about 314.3174335952.

Adding to 31053132 its reverse (23135013), we get a palindrome (54188145).

The spelling of 31053132 in words is "thirty-one million, fifty-three thousand, one hundred thirty-two".