3121013401 has 16 divisors (see below), whose sum is σ = 3504872448. Its totient is φ = 2754637200.

The previous prime is 3121013351. The next prime is 3121013417. The reversal of 3121013401 is 1043101213.

It is a cyclic number.

It is not a de Polignac number, because 3121013401 - 2⁹ = 3121012889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121013431) 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, 59236 + ... + 98746.

It is an arithmetic number, because the mean of its divisors is an integer number (219054528).

Almost surely, 2^3121013401 is an apocalyptic number.

It is an amenable number.

3121013401 is a deficient number, since it is larger than the sum of its proper divisors (383859047).

3121013401 is a wasteful number, since it uses less digits than its factorization.

3121013401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39732.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3121013401 is about 55866.0308326983. The cubic root of 3121013401 is about 1461.3869039518.

Adding to 3121013401 its reverse (1043101213), we get a palindrome (4164114614).

The spelling of 3121013401 in words is "three billion, one hundred twenty-one million, thirteen thousand, four hundred one".