60711231 has 8 divisors (see below), whose sum is σ = 92512384. Its totient is φ = 34692120.

The previous prime is 60711229. The next prime is 60711247. The reversal of 60711231 is 13211706.

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

It is not a de Polignac number, because 60711231 - 2¹ = 60711229 is a prime.

It is a super-2 number, since 2×60711231² = 7371707139070722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2891011 = 60711231 / (6 + 0 + 7 + 1 + 1 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60711198 and 60711207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60711221) 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, 1445485 + ... + 1445526.

It is an arithmetic number, because the mean of its divisors is an integer number (11564048).

Almost surely, 2^60711231 is an apocalyptic number.

60711231 is a deficient number, since it is larger than the sum of its proper divisors (31801153).

60711231 is a wasteful number, since it uses less digits than its factorization.

60711231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891021.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 60711231 is about 7791.7412046346. The cubic root of 60711231 is about 393.0275670372.

Adding to 60711231 its reverse (13211706), we get a palindrome (73922937).

The spelling of 60711231 in words is "sixty million, seven hundred eleven thousand, two hundred thirty-one".