31479141 has 8 divisors (see below), whose sum is σ = 42000640. Its totient is φ = 20971872.

The previous prime is 31479131. The next prime is 31479197. The reversal of 31479141 is 14197413.

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

It is not a de Polignac number, because 31479141 - 2¹⁴ = 31462757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31479099 and 31479108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31479101) 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, 3756 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (5250080).

Almost surely, 2^31479141 is an apocalyptic number.

It is an amenable number.

31479141 is a deficient number, since it is larger than the sum of its proper divisors (10521499).

31479141 is a wasteful number, since it uses less digits than its factorization.

31479141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7115.

The product of its digits is 3024, while the sum is 30.

The square root of 31479141 is about 5610.6275050123. The cubic root of 31479141 is about 315.7482539371.

The spelling of 31479141 in words is "thirty-one million, four hundred seventy-nine thousand, one hundred forty-one".