31101121002 has 32 divisors (see below), whose sum is σ = 75269941632. Its totient is φ = 8363326464.

The previous prime is 31101120997. The next prime is 31101121031. The reversal of 31101121002 is 20012110113.

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, 21778783 + ... + 21780210.

It is an arithmetic number, because the mean of its divisors is an integer number (2352185676).

Almost surely, 2^31101121002 is an apocalyptic number.

31101121002 is an abundant number, since it is smaller than the sum of its proper divisors (44168820630).

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

31101121002 is a wasteful number, since it uses less digits than its factorization.

31101121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43559022.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 31101121002 its reverse (20012110113), we get a palindrome (51113231115).

The spelling of 31101121002 in words is "thirty-one billion, one hundred one million, one hundred twenty-one thousand, two".