31342302021030 has 384 divisors, whose sum is σ = 101980266845184. Its totient is φ = 5998807710720.

The previous prime is 31342302021001. The next prime is 31342302021053. The reversal of 31342302021030 is 3012020324313.

It is a super-2 number, since 2×31342302021030² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 154162524 + ... + 154365696.

It is an arithmetic number, because the mean of its divisors is an integer number (265573611576).

Almost surely, 2^{31342302021030} is an apocalyptic number.

31342302021030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31342302021030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50990133422592).

31342302021030 is an abundant number, since it is smaller than the sum of its proper divisors (70637964824154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31342302021030 is a wasteful number, since it uses less digits than its factorization.

31342302021030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203692 (or 203681 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31342302021030 its reverse (3012020324313), we get a palindrome (34354322345343).

The spelling of 31342302021030 in words is "thirty-one trillion, three hundred forty-two billion, three hundred two million, twenty-one thousand, thirty".