60911131 has 4 divisors (see below), whose sum is σ = 64117000. Its totient is φ = 57705264.

The previous prime is 60911101. The next prime is 60911161. The reversal of 60911131 is 13111906.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (60911101) and next prime (60911161).

It is a cyclic number.

It is not a de Polignac number, because 60911131 - 2⁵ = 60911099 is a prime.

It is a super-2 number, since 2×60911131² = 7420331759398322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60911101) 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, 1602906 + ... + 1602943.

It is an arithmetic number, because the mean of its divisors is an integer number (16029250).

Almost surely, 2^60911131 is an apocalyptic number.

60911131 is a deficient number, since it is larger than the sum of its proper divisors (3205869).

60911131 is a wasteful number, since it uses less digits than its factorization.

60911131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205868.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 60911131 is about 7804.5583475300. The cubic root of 60911131 is about 393.4584600629.

The spelling of 60911131 in words is "sixty million, nine hundred eleven thousand, one hundred thirty-one".