31498795441 has 9 divisors (see below), whose sum is σ = 33247440363. Its totient is φ = 29837769480.

The previous prime is 31498795417. The next prime is 31498795513. The reversal of 31498795441 is 14459789413.

The square root of 31498795441 is 177479.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9422779041 + 22076016400 = 97071^2 + 148580^2 .

It is not a de Polignac number, because 31498795441 - 2²⁵ = 31465241009 is a prime.

It is a super-2 number, since 2×31498795441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31498745441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3367431 + ... + 3376771.

Almost surely, 2^31498795441 is an apocalyptic number.

31498795441 is the 177479-th square number.

31498795441 is the 88740-th centered octagonal number.

It is an amenable number.

31498795441 is a deficient number, since it is larger than the sum of its proper divisors (1748644922).

31498795441 is an frugal number, since it uses more digits than its factorization.

31498795441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18720 (or 9360 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 31498795441 in words is "thirty-one billion, four hundred ninety-eight million, seven hundred ninety-five thousand, four hundred forty-one".