3101021212131 has 6 divisors (see below), whose sum is σ = 4479252861980. Its totient is φ = 2067347474748.

The previous prime is 3101021212127. The next prime is 3101021212139. The reversal of 3101021212131 is 1312121201013.

3101021212131 is a `hidden beast` number, since 310 + 1 + 0 + 212 + 12 + 131 = 666.

It is not a de Polignac number, because 3101021212131 - 2² = 3101021212127 is a prime.

It is a super-2 number, since 2×3101021212131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3101021212139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172278956221 + ... + 172278956238.

Almost surely, 2^{3101021212131} is an apocalyptic number.

3101021212131 is a deficient number, since it is larger than the sum of its proper divisors (1378231649849).

3101021212131 is a wasteful number, since it uses less digits than its factorization.

3101021212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344557912465 (or 344557912462 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 3101021212131 its reverse (1312121201013), we get a palindrome (4413142413144).

The spelling of 3101021212131 in words is "three trillion, one hundred one billion, twenty-one million, two hundred twelve thousand, one hundred thirty-one".