31342050 has 108 divisors (see below), whose sum is σ = 89821446. Its totient is φ = 7833600.

The previous prime is 31342049. The next prime is 31342057. The reversal of 31342050 is 5024313.

It can be written as a sum of positive squares in 9 ways, for example, as 12341169 + 19000881 = 3513^2 + 4359^2 .

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 (31342057) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 129930 + ... + 130170.

Almost surely, 2^31342050 is an apocalyptic number.

31342050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31342050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44910723).

31342050 is an abundant number, since it is smaller than the sum of its proper divisors (58479396).

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

31342050 is a wasteful number, since it uses less digits than its factorization.

31342050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 31342050 is about 5598.3970920255. The cubic root of 31342050 is about 315.2892279295.

Adding to 31342050 its reverse (5024313), we get a palindrome (36366363).

It can be divided in two parts, 3134 and 2050, that added together give a square (5184 = 72²).

The spelling of 31342050 in words is "thirty-one million, three hundred forty-two thousand, fifty".