31212130032301 has 16 divisors (see below), whose sum is σ = 31841384964480. Its totient is φ = 30584375115840.

The previous prime is 31212130032229. The next prime is 31212130032311. The reversal of 31212130032301 is 10323003121213.

It is a cyclic number.

It is not a de Polignac number, because 31212130032301 - 2¹⁷ = 31212129901229 is a prime.

It is a super-2 number, since 2×31212130032301² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31212130032311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982393546 + ... + 982425316.

It is an arithmetic number, because the mean of its divisors is an integer number (1990086560280).

Almost surely, 2^{31212130032301} is an apocalyptic number.

It is an amenable number.

31212130032301 is a deficient number, since it is larger than the sum of its proper divisors (629254932179).

31212130032301 is a wasteful number, since it uses less digits than its factorization.

31212130032301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54756.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31212130032301 its reverse (10323003121213), we get a palindrome (41535133153514).

The spelling of 31212130032301 in words is "thirty-one trillion, two hundred twelve billion, one hundred thirty million, thirty-two thousand, three hundred one".