31357054 has 4 divisors (see below), whose sum is σ = 47035584. Its totient is φ = 15678526.

The previous prime is 31357031. The next prime is 31357063. The reversal of 31357054 is 45075313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45075313 = 17 ⋅2651489.

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 as a sum of consecutive naturals, namely, 7839262 + ... + 7839265.

It is an arithmetic number, because the mean of its divisors is an integer number (11758896).

Almost surely, 2^31357054 is an apocalyptic number.

31357054 is a deficient number, since it is larger than the sum of its proper divisors (15678530).

31357054 is a wasteful number, since it uses less digits than its factorization.

31357054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15678529.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 31357054 is about 5599.7369581079. The cubic root of 31357054 is about 315.3395314345.

The spelling of 31357054 in words is "thirty-one million, three hundred fifty-seven thousand, fifty-four".