31340010 has 128 divisors (see below), whose sum is σ = 89268480. Its totient is φ = 6967296.

The previous prime is 31340009. The next prime is 31340051. The reversal of 31340010 is 1004313.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192189 + ... + 192351.

It is an arithmetic number, because the mean of its divisors is an integer number (697410).

Almost surely, 2^31340010 is an apocalyptic number.

31340010 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 31340010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44634240).

31340010 is an abundant number, since it is smaller than the sum of its proper divisors (57928470).

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

31340010 is a wasteful number, since it uses less digits than its factorization.

31340010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 31340010 is about 5598.2148940533. The cubic root of 31340010 is about 315.2823872370.

Adding to 31340010 its reverse (1004313), we get a palindrome (32344323).

It can be divided in two parts, 3 and 1340010, that multiplied together give a triangular number (4020030 = T₂₈₃₅).

The spelling of 31340010 in words is "thirty-one million, three hundred forty thousand, ten".