31460145553460 has 24 divisors (see below), whose sum is σ = 71148329175336. Its totient is φ = 11616053742720.

The previous prime is 31460145553451. The next prime is 31460145553519. The reversal of 31460145553460 is 6435554106413.

It can be written as a sum of positive squares in 4 ways, for example, as 117115684 + 31460028437776 = 10822^2 + 5608924^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60500279651 + ... + 60500280170.

It is an arithmetic number, because the mean of its divisors is an integer number (2964513715639).

Almost surely, 2^{31460145553460} is an apocalyptic number.

It is an amenable number.

31460145553460 is an abundant number, since it is smaller than the sum of its proper divisors (39688183621876).

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

31460145553460 is a wasteful number, since it uses less digits than its factorization.

31460145553460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000559843 (or 121000559841 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

Adding to 31460145553460 its reverse (6435554106413), we get a palindrome (37895699659873).

The spelling of 31460145553460 in words is "thirty-one trillion, four hundred sixty billion, one hundred forty-five million, five hundred fifty-three thousand, four hundred sixty".