31431411330 has 96 divisors (see below), whose sum is σ = 85776062400. Its totient is φ = 7356961920.

The previous prime is 31431411317. The next prime is 31431411331. The reversal of 31431411330 is 3311413413.

It is a self number, because there is not a number n which added to its sum of digits gives 31431411330.

It is not an unprimeable number, because it can be changed into a prime (31431411331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44020 + ... + 254559.

It is an arithmetic number, because the mean of its divisors is an integer number (893500650).

Almost surely, 2^31431411330 is an apocalyptic number.

31431411330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31431411330 is an abundant number, since it is smaller than the sum of its proper divisors (54344651070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31431411330 is a wasteful number, since it uses less digits than its factorization.

31431411330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298640 (or 298629 counting only the distinct ones).

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

Adding to 31431411330 its reverse (3311413413), we get a palindrome (34742824743).

The spelling of 31431411330 in words is "thirty-one billion, four hundred thirty-one million, four hundred eleven thousand, three hundred thirty".