31405452001 has 16 divisors (see below), whose sum is σ = 39203326080. Its totient is φ = 24441482880.

The previous prime is 31405451989. The next prime is 31405452053. The reversal of 31405452001 is 10025450413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31405452001 - 2⁷ = 31405451873 is a prime.

It is a super-2 number, since 2×31405452001² (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 (31405452101) 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, 189786 + ... + 314371.

It is an arithmetic number, because the mean of its divisors is an integer number (2450207880).

Almost surely, 2^31405452001 is an apocalyptic number.

It is an amenable number.

31405452001 is a deficient number, since it is larger than the sum of its proper divisors (7797874079).

31405452001 is a wasteful number, since it uses less digits than its factorization.

31405452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504984.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 31405452001 in words is "thirty-one billion, four hundred five million, four hundred fifty-two thousand, one".