3131421301 has 16 divisors (see below), whose sum is σ = 3357774000. Its totient is φ = 2909851648.

The previous prime is 3131421151. The next prime is 3131421323. The reversal of 3131421301 is 1031241313.

It can be written as a sum of positive squares in 8 ways, for example, as 14432401 + 3116988900 = 3799^2 + 55830^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3131421301 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 (3131428301) 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, 1586151 + ... + 1588123.

It is an arithmetic number, because the mean of its divisors is an integer number (209860875).

Almost surely, 2^3131421301 is an apocalyptic number.

It is an amenable number.

3131421301 is a deficient number, since it is larger than the sum of its proper divisors (226352699).

3131421301 is a wasteful number, since it uses less digits than its factorization.

3131421301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128.

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

The square root of 3131421301 is about 55959.1038259192. The cubic root of 3131421301 is about 1463.0095705613.

Adding to 3131421301 its reverse (1031241313), we get a palindrome (4162662614).

The spelling of 3131421301 in words is "three billion, one hundred thirty-one million, four hundred twenty-one thousand, three hundred one".