316061431 has 4 divisors (see below), whose sum is σ = 361213072. Its totient is φ = 270909792.

The previous prime is 316061411. The next prime is 316061443. The reversal of 316061431 is 134160613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134160613 = 967 ⋅138739.

It is a cyclic number.

It is not a de Polignac number, because 316061431 - 2¹¹ = 316059383 is a prime.

It is a super-2 number, since 2×316061431² = 199789656331535522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316061396 and 316061405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316061411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22575810 + ... + 22575823.

It is an arithmetic number, because the mean of its divisors is an integer number (90303268).

Almost surely, 2^316061431 is an apocalyptic number.

316061431 is a deficient number, since it is larger than the sum of its proper divisors (45151641).

316061431 is an equidigital number, since it uses as much as digits as its factorization.

316061431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45151640.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 316061431 is about 17778.1166325345. The cubic root of 316061431 is about 681.1725954644.

The spelling of 316061431 in words is "three hundred sixteen million, sixty-one thousand, four hundred thirty-one".