31400432332441 has 16 divisors (see below), whose sum is σ = 33367363430400. Its totient is φ = 29485058564368.

The previous prime is 31400432332439. The next prime is 31400432332457. The reversal of 31400432332441 is 14423323400413.

It is not a de Polignac number, because 31400432332441 - 2¹ = 31400432332439 is a prime.

It is a super-2 number, since 2×31400432332441² (a number of 28 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 = 31400432332397 and 31400432332406.

It is not an unprimeable number, because it can be changed into a prime (31400432302441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15115831 + ... + 17067196.

It is an arithmetic number, because the mean of its divisors is an integer number (2085460214400).

Almost surely, 2^{31400432332441} is an apocalyptic number.

It is an amenable number.

31400432332441 is a deficient number, since it is larger than the sum of its proper divisors (1966931097959).

31400432332441 is a wasteful number, since it uses less digits than its factorization.

31400432332441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32183828.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 31400432332441 its reverse (14423323400413), we get a palindrome (45823755732854).

The spelling of 31400432332441 in words is "thirty-one trillion, four hundred billion, four hundred thirty-two million, three hundred thirty-two thousand, four hundred forty-one".