31232030121102 has 32 divisors (see below), whose sum is σ = 63994189754880. Its totient is φ = 10155707628480.

The previous prime is 31232030121043. The next prime is 31232030121121. The reversal of 31232030121102 is 20112103023213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177468 + ... + 8939535.

It is an arithmetic number, because the mean of its divisors is an integer number (1999818429840).

Almost surely, 2^{31232030121102} is an apocalyptic number.

31232030121102 is an abundant number, since it is smaller than the sum of its proper divisors (32762159633778).

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

31232030121102 is a wasteful number, since it uses less digits than its factorization.

31232030121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126728.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31232030121102 its reverse (20112103023213), we get a palindrome (51344133144315).

The spelling of 31232030121102 in words is "thirty-one trillion, two hundred thirty-two billion, thirty million, one hundred twenty-one thousand, one hundred two".