31021412030 has 32 divisors (see below), whose sum is σ = 63822202560. Its totient is φ = 10634791680.

The previous prime is 31021412029. The next prime is 31021412039. The reversal of 31021412030 is 3021412013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31021412039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910136 + ... + 943604.

It is an arithmetic number, because the mean of its divisors is an integer number (1994443830).

Almost surely, 2^31021412030 is an apocalyptic number.

31021412030 is an abundant number, since it is smaller than the sum of its proper divisors (32800790530).

31021412030 is a wasteful number, since it uses less digits than its factorization.

31021412030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46724.

The product of its (nonzero) digits is 144, while the sum is 17.

Subtracting from 31021412030 its sum of digits (17), we obtain a palindrome (31021412013).

Adding to 31021412030 its reverse (3021412013), we get a palindrome (34042824043).

The spelling of 31021412030 in words is "thirty-one billion, twenty-one million, four hundred twelve thousand, thirty".