4031002012 has 24 divisors (see below), whose sum is σ = 7240907520. Its totient is φ = 1962810480.

The previous prime is 4031001977. The next prime is 4031002021. The reversal of 4031002012 is 2102001304.

It is a junction number, because it is equal to n+sod(n) for n = 4031001983 and 4031002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54564 + ... + 105067.

It is an arithmetic number, because the mean of its divisors is an integer number (301704480).

Almost surely, 2^4031002012 is an apocalyptic number.

It is an amenable number.

4031002012 is a deficient number, since it is larger than the sum of its proper divisors (3209905508).

4031002012 is a wasteful number, since it uses less digits than its factorization.

4031002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159801 (or 159799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4031002012 is about 63490.1725623738. The cubic root of 4031002012 is about 1591.4915544871.

Adding to 4031002012 its reverse (2102001304), we get a palindrome (6133003316).

The spelling of 4031002012 in words is "four billion, thirty-one million, two thousand, twelve".