31463452261313 has 8 divisors (see below), whose sum is σ = 33315474592008. Its totient is φ = 29611566710784.

The previous prime is 31463452261309. The next prime is 31463452261321. The reversal of 31463452261313 is 31316225436413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6143001906064 + 25320450355249 = 2478508^2 + 5031943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31463452261313 - 2² = 31463452261309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31463452261363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33721256 + ... + 34641737.

It is an arithmetic number, because the mean of its divisors is an integer number (4164434324001).

Almost surely, 2^{31463452261313} is an apocalyptic number.

It is an amenable number.

31463452261313 is a deficient number, since it is larger than the sum of its proper divisors (1852022330695).

31463452261313 is a wasteful number, since it uses less digits than its factorization.

31463452261313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68390083.

The product of its digits is 933120, while the sum is 44.

Adding to 31463452261313 its reverse (31316225436413), we get a palindrome (62779677697726).

The spelling of 31463452261313 in words is "thirty-one trillion, four hundred sixty-three billion, four hundred fifty-two million, two hundred sixty-one thousand, three hundred thirteen".