46161431 has 12 divisors (see below), whose sum is σ = 49432464. Its totient is φ = 43092000.

The previous prime is 46161421. The next prime is 46161439. The reversal of 46161431 is 13416164.

It is not a de Polignac number, because 46161431 - 2¹⁰ = 46160407 is a prime.

It is a super-2 number, since 2×46161431² = 4261755423935522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 46161431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46161439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24731 + ... + 26531.

It is an arithmetic number, because the mean of its divisors is an integer number (4119372).

Almost surely, 2^46161431 is an apocalyptic number.

46161431 is a deficient number, since it is larger than the sum of its proper divisors (3271033).

46161431 is a wasteful number, since it uses less digits than its factorization.

46161431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1891 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 46161431 is about 6794.2204114968. The cubic root of 46161431 is about 358.7234390530.

Adding to 46161431 its reverse (13416164), we get a palindrome (59577595).

The spelling of 46161431 in words is "forty-six million, one hundred sixty-one thousand, four hundred thirty-one".