31302120023101 has 16 divisors (see below), whose sum is σ = 32714048150784. Its totient is φ = 29921380199424.

The previous prime is 31302120023087. The next prime is 31302120023131. The reversal of 31302120023101 is 10132002120313.

It is a cyclic number.

It is not a de Polignac number, because 31302120023101 - 2¹³ = 31302120014909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302120023131) 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, 26373421 + ... + 27534733.

It is an arithmetic number, because the mean of its divisors is an integer number (2044628009424).

Almost surely, 2^{31302120023101} is an apocalyptic number.

It is an amenable number.

31302120023101 is a deficient number, since it is larger than the sum of its proper divisors (1411928127683).

31302120023101 is a wasteful number, since it uses less digits than its factorization.

31302120023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174740.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31302120023101 its reverse (10132002120313), we get a palindrome (41434122143414).

The spelling of 31302120023101 in words is "thirty-one trillion, three hundred two billion, one hundred twenty million, twenty-three thousand, one hundred one".