31603149046 has 32 divisors (see below), whose sum is σ = 57994848000. Its totient is φ = 12613866912.

The previous prime is 31603149029. The next prime is 31603149059. The reversal of 31603149046 is 64094130613.

It is a junction number, because it is equal to n+sod(n) for n = 31603148996 and 31603149014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991161 + ... + 1022548.

It is an arithmetic number, because the mean of its divisors is an integer number (1812339000).

Almost surely, 2^31603149046 is an apocalyptic number.

31603149046 is a deficient number, since it is larger than the sum of its proper divisors (26391698954).

31603149046 is a wasteful number, since it uses less digits than its factorization.

31603149046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013796.

The product of its (nonzero) digits is 46656, while the sum is 37.

Adding to 31603149046 its reverse (64094130613), we get a palindrome (95697279659).

The spelling of 31603149046 in words is "thirty-one billion, six hundred three million, one hundred forty-nine thousand, forty-six".