31030413132021 has 8 divisors (see below), whose sum is σ = 42154523500320. Its totient is φ = 20296622425872.

The previous prime is 31030413132007. The next prime is 31030413132071. The reversal of 31030413132021 is 12023131403013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31030413132021 - 2¹¹ = 31030413129973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31030413131982 and 31030413132000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030413132001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97579915351 + ... + 97579915668.

It is an arithmetic number, because the mean of its divisors is an integer number (5269315437540).

Almost surely, 2^{31030413132021} is an apocalyptic number.

It is an amenable number.

31030413132021 is a deficient number, since it is larger than the sum of its proper divisors (11124110368299).

31030413132021 is a wasteful number, since it uses less digits than its factorization.

31030413132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195159831075.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31030413132021 its reverse (12023131403013), we get a palindrome (43053544535034).

The spelling of 31030413132021 in words is "thirty-one trillion, thirty billion, four hundred thirteen million, one hundred thirty-two thousand, twenty-one".