3121401112 has 8 divisors (see below), whose sum is σ = 5852627100. Its totient is φ = 1560700552.

The previous prime is 3121401103. The next prime is 3121401131. The reversal of 3121401112 is 2111041213.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195087562 + ... + 195087577.

Almost surely, 2^3121401112 is an apocalyptic number.

It is an amenable number.

3121401112 is a deficient number, since it is larger than the sum of its proper divisors (2731225988).

3121401112 is a wasteful number, since it uses less digits than its factorization.

3121401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390175145 (or 390175141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3121401112 is about 55869.5007316156. The cubic root of 3121401112 is about 1461.4474155277.

Adding to 3121401112 its reverse (2111041213), we get a palindrome (5232442325).

The spelling of 3121401112 in words is "three billion, one hundred twenty-one million, four hundred one thousand, one hundred twelve".