31400021033441 has 8 divisors (see below), whose sum is σ = 32454469321344. Its totient is φ = 30361671192880.

The previous prime is 31400021033429. The next prime is 31400021033443. The reversal of 31400021033441 is 14433012000413.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31400021033441 - 2²² = 31400016839137 is a prime.

It is a super-2 number, since 2×31400021033441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31400021033441.

It is not an unprimeable number, because it can be changed into a prime (31400021033443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4024607870 + ... + 4024615671.

It is an arithmetic number, because the mean of its divisors is an integer number (4056808665168).

Almost surely, 2^{31400021033441} is an apocalyptic number.

It is an amenable number.

31400021033441 is a deficient number, since it is larger than the sum of its proper divisors (1054448287903).

31400021033441 is an equidigital number, since it uses as much as digits as its factorization.

31400021033441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049223671.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 31400021033441 its reverse (14433012000413), we get a palindrome (45833033033854).

The spelling of 31400021033441 in words is "thirty-one trillion, four hundred billion, twenty-one million, thirty-three thousand, four hundred forty-one".