31447034 has 16 divisors (see below), whose sum is σ = 47749608. Its totient is φ = 15532032.

The previous prime is 31447027. The next prime is 31447043. The reversal of 31447034 is 43074413.

It can be written as a sum of positive squares in 4 ways, for example, as 24970009 + 6477025 = 4997^2 + 2545^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31446994 and 31447012.

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, 99044 + ... + 99360.

Almost surely, 2^31447034 is an apocalyptic number.

31447034 is a deficient number, since it is larger than the sum of its proper divisors (16302574).

31447034 is a wasteful number, since it uses less digits than its factorization.

31447034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 31447034 is about 5607.7655086496. The cubic root of 31447034 is about 315.6408687770.

The spelling of 31447034 in words is "thirty-one million, four hundred forty-seven thousand, thirty-four".