85148031 has 8 divisors (see below), whose sum is σ = 117445680. Its totient is φ = 54807872.

The previous prime is 85148027. The next prime is 85148057. The reversal of 85148031 is 13084158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85148031 - 2² = 85148027 is a prime.

It is a super-2 number, since 2×85148031² = 14500374366353922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85148031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85141031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489270 + ... + 489443.

It is an arithmetic number, because the mean of its divisors is an integer number (14680710).

Almost surely, 2^85148031 is an apocalyptic number.

85148031 is a deficient number, since it is larger than the sum of its proper divisors (32297649).

85148031 is a wasteful number, since it uses less digits than its factorization.

85148031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978745.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 85148031 is about 9227.5690731633. The cubic root of 85148031 is about 439.9380611849.

The spelling of 85148031 in words is "eighty-five million, one hundred forty-eight thousand, thirty-one".