31889054 has 4 divisors (see below), whose sum is σ = 47833584. Its totient is φ = 15944526.

The previous prime is 31888999. The next prime is 31889057. The reversal of 31889054 is 45098813.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 31888999 and 31889017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31889057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7972262 + ... + 7972265.

It is an arithmetic number, because the mean of its divisors is an integer number (11958396).

Almost surely, 2^31889054 is an apocalyptic number.

31889054 is a deficient number, since it is larger than the sum of its proper divisors (15944530).

31889054 is a wasteful number, since it uses less digits than its factorization.

31889054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15944529.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 31889054 is about 5647.0394013146. The cubic root of 31889054 is about 317.1128776335.

The spelling of 31889054 in words is "thirty-one million, eight hundred eighty-nine thousand, fifty-four".