31092542 has 16 divisors (see below), whose sum is σ = 50511552. Its totient is φ = 14268960.

The previous prime is 31092539. The next prime is 31092557. The reversal of 31092542 is 24529013.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (3156972).

Almost surely, 2^31092542 is an apocalyptic number.

31092542 is a deficient number, since it is larger than the sum of its proper divisors (19419010).

31092542 is a wasteful number, since it uses less digits than its factorization.

31092542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 31092542 is about 5576.0686868079. The cubic root of 31092542 is about 314.4503457221.

The spelling of 31092542 in words is "thirty-one million, ninety-two thousand, five hundred forty-two".