949312831 has 4 divisors (see below), whose sum is σ = 949378464. Its totient is φ = 949247200.

The previous prime is 949312829. The next prime is 949312841. The reversal of 949312831 is 138213949.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 138213949 = 103 ⋅1341883.

It is a cyclic number.

It is not a de Polignac number, because 949312831 - 2¹ = 949312829 is a prime.

It is a super-2 number, since 2×949312831² = 1802389702202469122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949312801) 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, 535 + ... + 43576.

It is an arithmetic number, because the mean of its divisors is an integer number (237344616).

Almost surely, 2^949312831 is an apocalyptic number.

949312831 is a deficient number, since it is larger than the sum of its proper divisors (65633).

949312831 is a wasteful number, since it uses less digits than its factorization.

949312831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65632.

The product of its digits is 46656, while the sum is 40.

The square root of 949312831 is about 30810.9206451219. The cubic root of 949312831 is about 982.8104908218.

The spelling of 949312831 in words is "nine hundred forty-nine million, three hundred twelve thousand, eight hundred thirty-one".