3121226260361 has 32 divisors (see below), whose sum is σ = 3484833988608. Its totient is φ = 2771754186240.

The previous prime is 3121226260357. The next prime is 3121226260457. The reversal of 3121226260361 is 1630626221213.

It is a cyclic number.

It is not a de Polignac number, because 3121226260361 - 2² = 3121226260357 is a prime.

It is a super-2 number, since 2×3121226260361² (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 (3121226260301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96249596 + ... + 96282018.

It is an arithmetic number, because the mean of its divisors is an integer number (108901062144).

Almost surely, 2^{3121226260361} is an apocalyptic number.

It is an amenable number.

3121226260361 is a deficient number, since it is larger than the sum of its proper divisors (363607728247).

3121226260361 is a wasteful number, since it uses less digits than its factorization.

3121226260361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33701.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 3121226260361 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-six million, two hundred sixty thousand, three hundred sixty-one".