87346031 has 4 divisors (see below), whose sum is σ = 89476464. Its totient is φ = 85215600.

The previous prime is 87346027. The next prime is 87346037. The reversal of 87346031 is 13064378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13064378 = 2 ⋅6532189.

It is a cyclic number.

It is not a de Polignac number, because 87346031 - 2² = 87346027 is a prime.

It is a super-2 number, since 2×87346031² = 15258658262905922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87346037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065155 + ... + 1065236.

It is an arithmetic number, because the mean of its divisors is an integer number (22369116).

Almost surely, 2^87346031 is an apocalyptic number.

87346031 is a deficient number, since it is larger than the sum of its proper divisors (2130433).

87346031 is a wasteful number, since it uses less digits than its factorization.

87346031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130432.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 87346031 is about 9345.9098540485. The cubic root of 87346031 is about 443.6914485730.

The spelling of 87346031 in words is "eighty-seven million, three hundred forty-six thousand, thirty-one".