2031147436 has 6 divisors (see below), whose sum is σ = 3554508020. Its totient is φ = 1015573716.

The previous prime is 2031147361. The next prime is 2031147463. The reversal of 2031147436 is 6347411302.

It is a junction number, because it is equal to n+sod(n) for n = 2031147398 and 2031147407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253893426 + ... + 253893433.

Almost surely, 2^2031147436 is an apocalyptic number.

It is an amenable number.

2031147436 is a deficient number, since it is larger than the sum of its proper divisors (1523360584).

2031147436 is a wasteful number, since it uses less digits than its factorization.

2031147436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507786863 (or 507786861 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 2031147436 is about 45068.2530835177. The cubic root of 2031147436 is about 1266.4279387896.

Adding to 2031147436 its reverse (6347411302), we get a palindrome (8378558738).

The spelling of 2031147436 in words is "two billion, thirty-one million, one hundred forty-seven thousand, four hundred thirty-six".