31475034 has 64 divisors (see below), whose sum is σ = 73440000. Its totient is φ = 9979200.

The previous prime is 31475029. The next prime is 31475053. The reversal of 31475034 is 43057413.

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 = 31474989 and 31475007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158067 + ... + 158265.

It is an arithmetic number, because the mean of its divisors is an integer number (1147500).

Almost surely, 2^31475034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31475034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36720000).

31475034 is an abundant number, since it is smaller than the sum of its proper divisors (41964966).

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

31475034 is a wasteful number, since it uses less digits than its factorization.

31475034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 31475034 is about 5610.2614912319. The cubic root of 31475034 is about 315.7345217276.

The spelling of 31475034 in words is "thirty-one million, four hundred seventy-five thousand, thirty-four".