445105315031 has 16 divisors (see below), whose sum is σ = 495992820960. Its totient is φ = 396603016320.

The previous prime is 445105315007. The next prime is 445105315033. The reversal of 445105315031 is 130513501544.

It is not a de Polignac number, because 445105315031 - 2⁶ = 445105314967 is a prime.

It is a super-2 number, since 2×445105315031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445105315033) 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, 1447361 + ... + 1727733.

It is an arithmetic number, because the mean of its divisors is an integer number (30999551310).

Almost surely, 2^445105315031 is an apocalyptic number.

445105315031 is a deficient number, since it is larger than the sum of its proper divisors (50887505929).

445105315031 is a wasteful number, since it uses less digits than its factorization.

445105315031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284626.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 445105315031 its reverse (130513501544), we get a palindrome (575618816575).

The spelling of 445105315031 in words is "four hundred forty-five billion, one hundred five million, three hundred fifteen thousand, thirty-one".