31433134123340 has 48 divisors (see below), whose sum is σ = 66407230741824. Its totient is φ = 12497516371200.

The previous prime is 31433134123337. The next prime is 31433134123361. The reversal of 31433134123340 is 4332143133413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31433134123340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102254270 + ... + 102561210.

It is an arithmetic number, because the mean of its divisors is an integer number (1383483973788).

Almost surely, 2^{31433134123340} is an apocalyptic number.

It is an amenable number.

31433134123340 is an abundant number, since it is smaller than the sum of its proper divisors (34974096618484).

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

31433134123340 is a wasteful number, since it uses less digits than its factorization.

31433134123340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337778 (or 337776 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 31433134123340 its reverse (4332143133413), we get a palindrome (35765277256753).

The spelling of 31433134123340 in words is "thirty-one trillion, four hundred thirty-three billion, one hundred thirty-four million, one hundred twenty-three thousand, three hundred forty".