31465461 has 4 divisors (see below), whose sum is σ = 41953952. Its totient is φ = 20976972.

The previous prime is 31465459. The next prime is 31465481. The reversal of 31465461 is 16456413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31465461 - 2¹ = 31465459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31465451) 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, 5244241 + ... + 5244246.

It is an arithmetic number, because the mean of its divisors is an integer number (10488488).

Almost surely, 2^31465461 is an apocalyptic number.

It is an amenable number.

31465461 is a deficient number, since it is larger than the sum of its proper divisors (10488491).

31465461 is a wasteful number, since it uses less digits than its factorization.

31465461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10488490.

The product of its digits is 8640, while the sum is 30.

The square root of 31465461 is about 5609.4082575616. The cubic root of 31465461 is about 315.7025087036.

The spelling of 31465461 in words is "thirty-one million, four hundred sixty-five thousand, four hundred sixty-one".