31476542 has 16 divisors (see below), whose sum is σ = 49001760. Its totient is φ = 15146208.

The previous prime is 31476517. The next prime is 31476547. The reversal of 31476542 is 24567413.

It is a junction number, because it is equal to n+sod(n) for n = 31476499 and 31476508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31476547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22343 + ... + 23709.

It is an arithmetic number, because the mean of its divisors is an integer number (3062610).

Almost surely, 2^31476542 is an apocalyptic number.

31476542 is a deficient number, since it is larger than the sum of its proper divisors (17525218).

31476542 is a wasteful number, since it uses less digits than its factorization.

31476542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 20160, while the sum is 32.

The square root of 31476542 is about 5610.3958862098. The cubic root of 31476542 is about 315.7395640314.

The spelling of 31476542 in words is "thirty-one million, four hundred seventy-six thousand, five hundred forty-two".