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31554001414 = 2132161561599
BaseRepresentation
bin11101011000110000…
…111101101000000110
310000110001102100120001
4131120300331220012
51004110311021124
622255023431514
72164636405135
oct353060755006
9100401370501
1031554001414
1112422458321
12614745559a
132c8b313b70
1417549a791c
15c4a28db44
hex758c3da06

31554001414 has 16 divisors (see below), whose sum is σ = 50995526400. Its totient is φ = 14556620160.

The previous prime is 31554001411. The next prime is 31554001429. The reversal of 31554001414 is 41410045513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31554001411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224614 + ... + 336985.

It is an arithmetic number, because the mean of its divisors is an integer number (3187220400).

Almost surely, 231554001414 is an apocalyptic number.

31554001414 is a deficient number, since it is larger than the sum of its proper divisors (19441524986).

31554001414 is a wasteful number, since it uses less digits than its factorization.

31554001414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563775.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 31554001414 its reverse (41410045513), we get a palindrome (72964046927).

The spelling of 31554001414 in words is "thirty-one billion, five hundred fifty-four million, one thousand, four hundred fourteen".

Divisors: 1 2 13 26 2161 4322 28093 56186 561599 1123198 7300787 14601574 1213615439 2427230878 15777000707 31554001414