31450154445 has 32 divisors (see below), whose sum is σ = 59200295040. Its totient is φ = 15786743040.

The previous prime is 31450154431. The next prime is 31450154507. The reversal of 31450154445 is 54445105413.

31450154445 is a `hidden beast` number, since 3 + 14 + 50 + 154 + 445 = 666.

It is not a de Polignac number, because 31450154445 - 2¹³ = 31450146253 is a prime.

It is a super-2 number, since 2×31450154445² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6849591 + ... + 6854180.

It is an arithmetic number, because the mean of its divisors is an integer number (1850009220).

Almost surely, 2^31450154445 is an apocalyptic number.

It is an amenable number.

31450154445 is a deficient number, since it is larger than the sum of its proper divisors (27750140595).

31450154445 is a wasteful number, since it uses less digits than its factorization.

31450154445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703802 (or 13703796 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 31450154445 its reverse (54445105413), we get a palindrome (85895259858).

The spelling of 31450154445 in words is "thirty-one billion, four hundred fifty million, one hundred fifty-four thousand, four hundred forty-five".