31082103331 has 12 divisors (see below), whose sum is σ = 32621846040. Its totient is φ = 29612132000.

The previous prime is 31082103281. The next prime is 31082103341. The reversal of 31082103331 is 13330128013.

It is not a de Polignac number, because 31082103331 - 2²³ = 31073714723 is a prime.

It is a super-2 number, since 2×31082103331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31082103296 and 31082103305.

It is not an unprimeable number, because it can be changed into a prime (31082103341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15735 + ... + 249823.

It is an arithmetic number, because the mean of its divisors is an integer number (2718487170).

Almost surely, 2^31082103331 is an apocalyptic number.

31082103331 is a deficient number, since it is larger than the sum of its proper divisors (1539742709).

31082103331 is a wasteful number, since it uses less digits than its factorization.

31082103331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234386 (or 234363 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 31082103331 in words is "thirty-one billion, eighty-two million, one hundred three thousand, three hundred thirty-one".