31101232030 has 16 divisors (see below), whose sum is σ = 61071510384. Its totient is φ = 11309538880.

The previous prime is 31101231989. The next prime is 31101232039. The reversal of 31101232030 is 3023210113.

It is a junction number, because it is equal to n+sod(n) for n = 31101231995 and 31101232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101232039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141369127 + ... + 141369346.

It is an arithmetic number, because the mean of its divisors is an integer number (3816969399).

Almost surely, 2^31101232030 is an apocalyptic number.

31101232030 is a deficient number, since it is larger than the sum of its proper divisors (29970278354).

31101232030 is a wasteful number, since it uses less digits than its factorization.

31101232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282738491.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31101232030 its reverse (3023210113), we get a palindrome (34124442143).

The spelling of 31101232030 in words is "thirty-one billion, one hundred one million, two hundred thirty-two thousand, thirty".