31472201421465 has 16 divisors (see below), whose sum is σ = 57549168313728. Its totient is φ = 14387292078336.

The previous prime is 31472201421407. The next prime is 31472201421469. The reversal of 31472201421465 is 56412410227413.

It is not a de Polignac number, because 31472201421465 - 2¹⁰ = 31472201420441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31472201421469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149867625712 + ... + 149867625921.

It is an arithmetic number, because the mean of its divisors is an integer number (3596823019608).

Almost surely, 2^{31472201421465} is an apocalyptic number.

31472201421465 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31472201421465 is a deficient number, since it is larger than the sum of its proper divisors (26076966892263).

31472201421465 is a wasteful number, since it uses less digits than its factorization.

31472201421465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299735251648.

The product of its (nonzero) digits is 322560, while the sum is 42.

Adding to 31472201421465 its reverse (56412410227413), we get a palindrome (87884611648878).

The spelling of 31472201421465 in words is "thirty-one trillion, four hundred seventy-two billion, two hundred one million, four hundred twenty-one thousand, four hundred sixty-five".