1631430076 has 12 divisors (see below), whose sum is σ = 2855534472. Its totient is φ = 815563088.

The previous prime is 1631430071. The next prime is 1631430077. The reversal of 1631430076 is 6700341361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631430071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11830 + ... + 58333.

It is an arithmetic number, because the mean of its divisors is an integer number (237961206).

Almost surely, 2^1631430076 is an apocalyptic number.

It is an amenable number.

1631430076 is a deficient number, since it is larger than the sum of its proper divisors (1224104396).

1631430076 is a wasteful number, since it uses less digits than its factorization.

1631430076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75980 (or 75978 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1631430076 is about 40390.9652769032. The cubic root of 1631430076 is about 1177.2159964054.

The spelling of 1631430076 in words is "one billion, six hundred thirty-one million, four hundred thirty thousand, seventy-six".